What is Log Base 5 of 125?

The below is the work with steps to find what is log base 5 of 125 shows how the input values are being used in the log base 5 functions. Formula:
log_b(x) = y, if b^y = x

Input:
x = 125
b = 5

Solution:
y = log₅ 125
= log₅ 5³
= 3 log₅ 5 = 3 x 1
log₅ 125 = 3
log₅(125) = 3