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

Input: Consider Input: Problem: the perimeter of a triangle is 36 cm and the inradius of the triangle is 2.5 cm . what is the area of the triangle

Output: b ) 45


Input: Consider Input: Problem: a statue is being carved by a sculptor . the original piece of marble weighed 180 kg . in the first week 28 percent is cut away . in the second week 18 percent of the remainder is cut away . in the third week the statue is completed when 20 percent of the remainder is cut away . what is the weight of the final statue ?

Output: 85 kg


Input: Consider Input: Problem: the average of first 35 prime numbers is ?


Output: 14.54