987 / 125 = 987 * 8 / 1000 = 7.896 what operation law is used

987 / 125 = 987 * 8 / 1000 = 7.896 what operation law is used

The numerator and denominator are multiplied / divided by the same number at the same time, and the value of the fraction remains unchanged
The problem is to multiply the numerator and denominator by 8