How is this answer 2?

Question

X = 3
Nums = 17
Y = ( nums % x)

Answer 1

The modulo operator returns the remainder of a division. 17 / 3 is 5 with a remainder of 2, because 5 * 3 is 15 and 17 - 15 = 2

Answer 2

Modulo Sign gives remainder and // gives quotient