How to calculate the lucky number of mobile phone number?

Divide the last four digits of your mobile phone number by 80, then subtract the integer (leaving only decimal places) and multiply it by 80 to get a number, which is the number representing good luck or bad luck. Then look it up in the table. First of all, an unreliable test: seeing your past and future, online fortune telling was very popular for a while. Open a website, enter your name and birthday, and through the "mysterious" calculation of the system, you will see your past and future. This magical fortune-telling method has also appeared in the WeChat circle of friends, and there are many new test methods. "Do you want to know how much exercise you have left?" "Test how much money you will have in the future" and "Test your IQ"