As soon as he stepped into the Yamen, he felt scrutinizing eyes. A middle-aged official with a serious face came forward and said, "Zhao Yunsheng, a doctor in the Ministry of Household Affairs, would like to greet you. I heard that you are good at arithmetic, and I have something to ask you today."
Without waiting for Liu Zhihong's response, Zhao Yunsheng waved his hand and asked someone to carry several stacks of account books: "Northwestern military expenditure, southeastern water transportation, and the salary of hundreds of officials in the capital, all expenditures have exceeded the budget. I wonder if the minister has any good ideas to balance the income and expenditure?"