In the military camp, Yu Wenwen and his generals are arranging various matters for the withdrawal of the army, and today, the commander of the army, Yu Wenming, has officially ordered Yu Wenwen's new army to return to Anlu, and the departure date is three days later, when a new army will come to take over their defense.

The so-called military order is like a mountain, in order to ensure that it can set off on time, Yu Wenwen did not dare to take it lightly, although he could leave the day after tomorrow with the 'packing' ability of the new army, he still summoned the owners to implement the details of the withdrawal one by one.

"This march first departed from Gangneung to Hanjin and crossed the Han River, and then went to Anlu." Yu Wenwen used a branch to draw on the map, this time back to Anlu is considered to be a march to the northeast, and it is inconvenient to use water transportation, so the whole journey is by land.

"The road from Jiangling to Hanjin is about 1450 miles, and the road from Hanshui to Anlu is about 3230 miles, and the whole journey is about 480 miles.

The normal daily march speed of the long march of the army was between thirty and forty miles on average, and Yu Wenwen's requirement for his army was fifty miles, so the day of returning to Anlu was about three days faster than the date set by the military order.

"There may be other troops and horses on the same route as our march, so the food and grass supplied by the post stations along the road may not be enough." Fifth Brother Chen, the military master, took over the conversation, "Lord Xu, you will count the good grain and grass tomorrow, and if there is any shortage, you will enter the city and raise it." ”

"The owners of each building are responsible for the withdrawal of troops from the building, the drainage ditch of the camp must be preserved, the place where the feces are drowned, and the fence of the camp must not be destroyed."

"Count the wounded and sick, take the car on the day of departure, and report the number of people tomorrow morning so that the carriage can be prepared."

"The weather has been rainy recently, and the baggage truck should be prepared for the rain, and the ginger should be prepared so that the soldiers can drive away the cold after the rain."

Yuwen Wen handed over to the military lord Chen Wudi and the lords to formulate a withdrawal plan, he is not the kind of all-encompassing style of leading troops, but likes to work together, as the so-called three heroes help him, he thinks that he does not have the ability to do everything, so brainstorming.

The discussion was decided, and Yu Wenwen announced the adjournment of the meeting, and then inspected the barracks. Because of the reason that the army took over the defense, the facilities of this military camp needed to be preserved so that the latecomers could continue to use them, and he walked around to take a look, checking one or two from time to time, and before he knew it, half an hour had passed.

"I'm leaving." Yu Wenwen looked back at Jiangling City and muttered to himself, this time he went south to help the war, he never thought that many things had happened in just over a month, although there were dangers, but he had gained a lot, which was regarded as 'public and private'.

"Zhang Yu, you go to the city to do two things."

"Lord Lang, what are the two things?"

"First. Tell the shopkeeper Wang to pack up, and of course Miss Xiao, and tell them the departure date. ”

"Second, bring that Zheng Tong to the barracks to meet me." ……

In the camp tent, Yu Wenwen sat behind the bookcase and held a book, and on one side sat the 'pseudo-linen god' Zheng Tongqi with a pen, ink, paper and inkstone on the case in front of him, and it was 'interview' time.

"Today there is a square field, wide, from each fifty-six steps, ask for the field geometry." Yu Wenwen looked at the contents of the book and asked.

Zheng Tong picked up the pen and calculated for a moment, and then replied: "Thirteen acres." Odd sixteen steps. ”

"How?"

"Fifty-six steps in Lietian, multiplied by three thousand one hundred and thirty-six steps. It is obtained by dividing it by the mu method. ”

"There is Guitian today, from thirty steps, one end is twenty-four steps wide, one end is no step, ask for the geometry of the field?" Yu Wenwen asked another question, Guitian is a triangular field, and this question asks how to calculate the area of a triangular field.

The book he held in his hand was "The Five Cao Sutra". This book was written by the mathematician Zhen Luan of the Great Zhou Dynasty, and the five Cao were Tian Cao, Bing Cao, Ji Cao, Cang Cao, and Jin Cao. The five types of problems represented are the official mathematics education books of this era, which test the administrative arithmetic ability of officials.

Zheng Tong took a pen and wrote on the paper for a moment and replied: "One acre, one hundred and twenty steps." ”

"How?"

"Twenty-four steps wide at one end, twelve steps for half a step, three hundred and sixty steps multiplied from thirty steps, divided by the mu method."

Yu Wenwen unfolded the Bing Cao volume of the "Five Cao Sutras". This soldier Cao Juan is talking about the allocation of military personnel and the mathematical problems of grain and grass transportation, and what he just asked is Tian Cao Juan, which is related to the calculation of the area of the field.

"There are 23,692 people today, and 5,923 soldiers are told.

Zheng Tong replied: "Four Ding sent out a soldier." ”

"Ten thousand today. There are ten generals, twenty generals, one hundred team generals, and nine thousand eight hundred and seventy-eight stragglers. ”

Zheng Tong picked up the pen and counted on the paper for a moment and replied: "Two thousand two hundred and seventy-five horses, three feet." ”

"There is a city of fourteen miles today, if you want to order the thief, put a soldier every three steps, and ask how many soldiers are used?"

"Four thousand eight hundred."

Yu Wenwen unfolded the collection of Cao scrolls again: "Today there is a guest year, to be with Su one hundred and fifty Hu, today there are three people, four days of guest work to get Mai Wuhu, today there are seven people in January and day of the guest work, ask how much to sell?" ”

Zheng Tong calculated for a moment and replied: "Eighty-seven and five buckets"

"Today, there are eight hundred and forty-nine beans, and nine beans are easy to hemp, and seven buckets of hemp, how much do you ask?" Yu Wenwen said again.

Zheng Tong calculated for a moment and replied: "Six hundred and sixty three buckets and three liters." ”

Yu Wenwen unfolded the Cangcao Scroll and Jin Cao Juan, and each chose a few calculation questions to ask questions, and Zheng Tong calculated the correct answers, he nodded, and then clapped his hands and asked people to come in and put the scrolls away.

"Mr. Zheng's arithmetic skills are good," Yu Wenwen showed a look of approval, Tian Cao, Bing Cao, Ji Cao, Cang Cao, and Jin Cao involved the five aspects of calculation problems that grassroots officials have to face, "Ji Cao" is the problem of trade exchange, "Cang Cao" is the problem of grain tax and warehouse volume, and "Jin Cao" is the problem of silk fabric trading.

He didn't want to recruit a math teacher, but through this method to judge whether Zheng Tong, a person who claimed to have been a 'turbid official', was exaggerated, Zheng Tong claimed to start from the grassroots level and climbed up step by step, but his career was unfavorable, and he finally lost his official, Yu Wenwen had no way to call up Zheng Tong's 'file', so he could only knock on the side from the Wucao Sutra.

If you say that you have done the work of measuring the fields, you must at least know how to calculate the area of square, triangular and parallelogram fields, and if you say that you have done the transfer of military rations, then you must at least know how to classify the supply of military rations and rewards.

It is also mentioned that if you have managed to collect grain, you should know the type of granary and the related volume calculation problems, and if you have done barter, you should know the discount ratio between various items, and you should also have arithmetic ability, at least when you collect grain, you will not be fooled, and then you will be confused when you draw the account, and when you reconcile the accounts, you will find that it is not right, Yuwenwen needs talents, but you don't need the 'clear stream' that can only talk about empty words.

Than empty talk? I'm also planning to build an internal combustion engine! Do you know how uranium-235 is refined?

Yu Wenwen probably judged that this Zheng Tong had indeed been a grassroots official and had a level of government affairs ability, Li Shimo removed the pen, ink, paper and inkstone in front of Zheng Tong, and after he walked out of the tent, Yu Wenwen suddenly asked: "Mr. Zheng, which side is the scar on the back of the man's hand?" ”

Zheng Tong twisted his beard and said, "Lang Jun said that he laughed, the back of that man's hands and hands are intact and there are no scars. ”

"How many moles do you have?"

"In both places, both on the right eyebrow."

Zheng Tong's observation ability is extremely strong, Yu Wenwen has already seen it, and a man who can play a 'Mai God Look' on the street and speak wildly for people naturally has to rely on his ability to observe words and colors, and of course, he will talk from other people's mouths.

But it is not a simple matter to be able to maintain this kind of observation at any time, and now it seems that the other party has developed a professional habit of never forgetting everyone's appearance and characteristics, Yu Wenwen feels that this is also related to Zheng Tong being a grassroots official, and it has become a natural ability to observe words and colors every day for a long time.

"Zheng Tong, this prince will fight the officials in the future, do you have confidence?" Yuwen Wen said with a straight face, he no longer jokingly called the other party 'Mr' and claimed to have used 'Bengong'.

"The county prince has a lot of experience in the next place, and he will definitely be able to do it." Zheng Tong got up and saluted, since he lost his official position, he could only make some money to support his family on the street, until he later bumped into Yu Wenwen, the second son of the governor of Anzhou, and he wanted to seize this opportunity that was inadvertently placed in front of him.

This is his chance to change his fate, the only chance, Liang Guo is too young, all promising official positions are occupied, there is no room for him to rise, he has lost his official position because of his evil, and there will be no chance of resurrection, with a wife, he can't go to a foreign place where he is unfamiliar with life to make a living, so he can only be trapped in Jiangling and struggle to live.

Zheng Tong had a tunnel in his house that he accidentally discovered that could lead to the palace, so after realizing that something was wrong that night, he gritted his teeth and waited in the street near the loquat gate to 'lead the way', waiting for Yu Wenwen, who was stationed at the loquat gate, to lead the troops into the city and rush to the palace to take the initiative to 'lead the way'.

God bless him for this credit, but just by leading the way, the other party may not give a bowl of rice to eat, so he has to work hard, since that day, Yu Wenwen has not given a chance to recommend himself, so Zheng Tong is a little restless, and today is the 'critical moment', since the other party gave the opportunity, then he has to seize the opportunity.

Sooner or later, Yuwen Wen will be a state official, if he can be put into his subordinates, at least he will have the opportunity to break out of another official road, whether it is Liang State, Zhou State or Chen State, the officials are as black as crows in the world, and the officials are deceived and concealed, so they are full of confidence to deal with this group of 'former peers'.

"Very good, my father doesn't like nonsense, three days later, my father will lead the troops back to Anlu, you can take your wife and children and set off with the army." Yu Wenwen is very satisfied with Zheng Tong's performance, at least for now, he will have to deal with grassroots officials as a state official in the future, and if he doesn't deal with it properly, he will probably be played by the officials.

Shen Kuo's "Mengxi Writings" in the Northern Song Dynasty once recorded such an incident: when Bao Zhengzhi Kaifeng Mansion, someone broke the law and was exiled after the spine of the cane, and the prisoner privately gave a heavy amount of money to the officials and agreed to perform a bitter meat play together in the lobby.

When Bao Zheng sat in the court to try the case, the prisoner did not admit his guilt and kept pleading. Without waiting for Bao Zheng to speak, the officer loudly reprimanded the prisoner for contempt of the court, and shouted out to wait for the cane.

Seeing this, Bao Zheng was very angry, thinking that the Xu official exceeded his authority, so he ordered the Xu official to be dragged out of the cane punishment, and at the same time, in order to show his magnanimity, Bao Zheng specially ordered the lenient prisoner to only be punished with the cane and not exiled.

Even Bao Qingtian, who is like a god, will be tricked by Xu if he doesn't pay attention, Yu Wenwen doesn't think that he can be much better after becoming a state official, and his father will send someone to help him at that time, but after all, he is not 'his own person', he has to have a cat to deal with those rats who are full of deceptive skills.

Yuwenwen asked Zhang Yu to lead Zheng Tong to Xu Shao to pay for the 'moving expenses', and after the people went out, he played with the paperweight and muttered to himself: "Xu Official" (to be continued.) )