What number should be added to 102255 to make it exactly divisible by 7?

Question: What number should be added to 102255 to make it exactly divisible by 7?

Solution:
if we divide 102255 by 7 the remainder is 6
to make it divisible by 7 we need to add 1 with that number.

adding 1 we get = 102255 + 1 = 102256
dividing 102256 by 7 we get 102256/7 = 14608