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

[EX Q]: Problem: a 9 % stock yields 8 % . the market value of the stock is :
[EX A]: rs . 112.50

[EX Q]: Problem: company x provides bottled water to its employees in 10 liter bottles , $ 2 each . at least how many 10 l bottles must company x buy monthly , so that new contract with $ 50 fixed monthly rate and $ 1 for 50 l bottle each paid off ? ( assume that no other costs apply )
[EX A]: 28

[EX Q]: 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 ?
[EX A]:
8