If I understand correctly, the landlord should mean that the principal is 320,000 yuan, which will be paid back in two years every month. Since we don't know what the total interest is now, let's assume that the monthly repayment is X yuan, so the total repayment is 24*x yuan, and the sum of the principal and interest at the end of the last month should be equal to X (so that it can be paid off at the end of the last month). At the end of the first month, the sum of principal and interest was 32*( 1+5.85/ 1000), and X yuan was paid back, so the debt at the beginning of the second month was 32* (1+5.85/1000)-X, the second one. The arrears at the beginning of the third month are 32 *1.00585 2-1.00585 * x, and the sum of principal and interest at the end of the third month is (32 *1.00585 2-1.00585 * x-x). … and so on, the sum of principal and interest at the end of the last month (24th month) is 32 *1.00585 24-(1.00585+1.00585 2+…1.00585 23).

Therefore, the sum of the principal and interest at the end of last month is X, as follows:

32* 1.00585^24-( 1.00585+ 1.00585^2+… 1.00585^23)*x=x。 The solution is x= 14330 yuan.

Therefore, the total loan repayment is 343,920 yuan, and the interest is 23,920 yuan.

Just learned, please rest assured ~ ~