The task is to generate the correct answer for a given math problem.

Input: Consider Input: Problem: h is a positive integer and 225 and 216 are both divisors of h . if h = ( 2 ^ a ) * ( 3 ^ b ) * ( 5 ^ c ) , where a , b and c are positive integers , what is the least possible value of a + b + c ?

Output: 8

Input: Consider Input: Problem: the captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older . if the ages of these two are excluded , the average age of the remaining players is one year less than the average age of the whole team . find out the average age of the team .

Output: 23

Input: Consider Input: Problem: what is the units digit of ( 147 ^ 17 ) ^ 47 ?
Output: 3