The next day, the branch of the Bashi Commercial Bank in Dongyang County went to Pei County with money and food and began to carry out the disaster relief operation.

On this day, Li Yang was also busy arranging the government affairs of Pei County.

Fortunately, there is Wang Youxian, the county guard, who can handle all kinds of affairs in an orderly manner.

Han Xin was responsible for recruiting local defenders, although Pei County had been cleared, but there were no soldiers in the city, there was no order, so it was essential to recruit defenders.

The 3,000 local soldiers of Dongyang County were also busy taking care of the security and order in the city.

A county town is full of victims, and the workload is really heavy.

Especially in the area of earthquake relief, the population of the disaster victims and the advance money and food for the earthquake must be counted, and in this era, there are very few people who know how to calculate, and this is the biggest difficulty.

This made Li Yang realize that it is necessary to popularize compulsory education!

In one morning, more than 20 labor requisition registration points were set up in the city, and more than 9,000 laborers could be requisitioned.

However, the money and grain transported by the Ba Thi Commercial Bank were prepaid early, and they had to go back to Dongyang County to continue the transportation.

The advance payment of food by the trading houses is directly related to the immediate survival of the victims in the city, because at this time, the people in the city can be said to be starving to death every day.

Li Yang got the statistics on the number of labor applicants, and directly found the person in charge of the Bashi Commercial Bank, and said: "This is the statistics on the number of laborers that can be requisitioned in Pei County, you can see how much grain is left, and send it over as soon as possible." ”

The person in charge of the firm took the labor data, and then lay down on the stone steps at the entrance of the yamen and began to calculate.

And Li Yang was waiting next to him.

As a result, Li Yang was really stunned!

I saw that the man from the trading house took a small bag from his waist, and then poured out a bundle of small bamboo sticks from the bag, each of which was ten centimeters long, and one or two hundred of them.

While comparing the labor data, he began to place the bamboo sticks one by one on the steps, and then began to calculate slowly......

Li Yang was directly shocked, is this an ancient mathematical operation?

Oh my God, if this way is counted, it will be counted to the Year of the Monkey and the Horse Month?

Sure enough, after waiting for nearly a quarter of an hour, the other party calculated the number of laborers who had not paid for food in advance.

In other words, the total number of labor applicants, minus the number of workers who have paid in advance, this five-digit subtraction, the other party actually took more than ten minutes to calculate.

Li Yang looked stupid.

Now, he finally realized how troublesome and time-consuming math was during this period.

A five-digit subtraction is so time-consuming to calculate, Li Yang really can't imagine how much manpower and time they have to calculate the inflow and outflow accounts of a country's finances.

However, Li Yang also knew that the other party's calculation method was called calculation.

Calculation is one of the ancient Chinese calculation methods, about the beginning of the Spring and Autumn Period, when it is necessary to count and calculate, the chip is taken out and placed on the table or on the ground to fiddle.

Don't look at these are inconspicuous little sticks, but they have made great contributions in the history of Chinese mathematics. In the later development, these small sticks were directly engraved with numbers for counting and arithmetic. It was not until the invention of the abacus in the Eastern Han Dynasty that the abacus was slowly replaced by the abacus.

Although Li Yang couldn't understand how this calculation was, one thing was certain, that is, it was too inconvenient and too slow.

Li Yang didn't even dare to think about how long it would take for the other party to calculate multiplication next.

Now that the number of people who have not paid for their grain has been calculated, the next step is to multiply the number of people who have not paid for their grain by the amount of grain they have advanced for each laborer, so that we can calculate how much grain we have to ship.

Li You on the side saw that Li Yang was waiting a little impatiently, so he comforted him with kind words: "Don't worry, adults, those who often calculate will soon be able to calculate the results." ”

“…………”

Li Yang's face was black, and he was speechless for a while.

glanced at the person from the trading house and began to fiddle with the calculation again, and Li Yang wanted to cry.

I really didn't want to wait for more than ten minutes, so I asked directly: "What are the laborers who have not paid for food in advance?" How much should each laborer pay in advance? ”

The person in the trading house was also sweating profusely, because he knew that the prime minister next to him was waiting for the result, so he was extremely stressed.

At this time, when he was halfway through the calculation, when he heard Li Yang's question, the calculation had to be interrupted, and then he replied: "Back to the prime minister, there are 610 laborers who have not paid for food, and each laborer has paid a total of 120 catties of money and grain for two months. ”

After Li Yang heard this, he directly used a multiplication formula in his heart, and calculated the result in less than thirty seconds, and said: "Seventy-three thousand two hundred catties!" ”

Everyone was stunned, looking at Li Yang stupidly, not knowing what he was talking about.

Li Yang said: "The prime minister said that he would have to transport 73,200 catties of grain. ”

Everyone: "............"

People from the Merchant House: "............"

Everyone continued to look at Li Yang in a daze, still not knowing what he was talking about.

The people from the business house glanced at Li Yang, continued to bow their heads and fiddle with the calculations, and seriously calculated the work in their hands.

It seems that no one takes Li Yang's words seriously.

Li Yang: "............"

I have a sentence about selling horses, I don't know if to say it or not!

Li Yang looked up at the sky at 45 degrees, and his heart was congested for a while......

In this world, when a person is too smart, isn't this a kind of loneliness?

…………

About three minutes later.

Suddenly, a person in the crowd was startled and shouted: "Oh my God, oh my God, the 73,200 catties of grain that the prime minister said turned out to be the number of prepaid grain for 610 people!" ”

When Li Yang heard this, he couldn't help but be surprised.

Looking back at the man in the crowd, he saw that it was a man in his forties, who was empty-handed, but he had no money in his hands.

Li Yang was shocked.

This man...... Did you calculate the results so quickly?

At this moment, Li Yang really had to be shocked, you know, the people in the business house have not yet calculated the results with the calculation chips, and the man in front of him has no calculation chips, and it is impossible to understand the multiplication formula, relying on mental arithmetic to know the result so quickly, in this era, this can be called a mathematical genius!

At this time, everyone couldn't help but be surprised, and they were surprised: "What did you say? ”

The man said with a shocked face: "I said that the 73,200 catties of grain that the prime minister said before refers to the amount of money and food for the 610 people. ”

"This ...... No way? Everyone was shocked.

"However, the prime minister didn't calculate just now."

"Yes, the prime minister didn't calculate at all, how could it be the amount of money and food for those six hundred and ten people. What are you kidding, you guy! ”

The man looked at Li Yang in surprise, and then said, "I'm not kidding, what I said is true, because the result I calculated was exactly 73,200 catties of grain." ”

After speaking, he immediately waved his hand at Li Yang and asked, "Dare to ask Prime Minister Zhong, what you said before, but the amount of money and food you calculated for 610 people?" ”

Li Yang nodded: "That's right!" ”

Everyone was surprised, but they couldn't believe it.

At this moment, the people of the trading house finally made a calculation, but they had a shocked expression on their faces.

Li Yang smiled and asked, "Forget it?" The result? ”

The man from the trading house nodded stupidly, and said in great surprise: "Back to the prime minister, it is indeed seventy-three thousand two hundred catties!" This one...... How did you figure it out? ”

The people of the trading house had to be surprised by this, and they were already relatively proficient in calculating accounts every day. This hundred-by-hundred-digit operation also has to be calculated with the help of arithmetic chips.

However, Li Yang listened to the two numbers and immediately said the result, which ...... It's incredible!

It's as if Li Yang could see the answer in advance.

In today's terms, this ...... It's not scientific!

"Mental arithmetic is just faster than you!"

Li Yang couldn't explain too much at the moment, so he had to put it aside for the time being, and said, "Now that the amount of money and grain has been calculated, let's go and transport it as soon as possible!" ”

"No!" The people from the trading house glanced at Li Yang as if they had seen a monster, and then hurriedly took the order and left.

At this time, Li Yang beckoned to the person in the crowd who was doing mental arithmetic and asked, "What's your name?" ”