加拿大b13a

简介：One stone of rice weighs about 120 kilograms, which is enough for one person to eat for two months. One hundred thousand soldiers and horses need one hundred thousand stone for two months. Runing has an army of 180,000. Taking into account the consumption of soldiers, horses and civilians, more than 200,000 shi of food seems to be a lot, but it is only enough to consume the army for two months.