First, the form written with a pen looks better, and then you can find that the last column is all about learning, that is, the same number. Think about what number is the end of the multiplied number or itself: 1, 5,6. It is very simple to exclude 1, and then we can see whether 3 digits are multiplied by 1 digits or 3 digits, which means that the number of love representatives can only be 65438+.