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

Example Input: Problem: the population of a bacteria culture doubles every 2 minutes . approximately how many minutes will it take for the population to grow from 1,000 to 300,000 bacteria
Example Output: 16

Example Input: Problem: find the value o f 72519 x 9999 = m ?
Example Output: m = 725117481

Example Input: Problem: a cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and there by decreases his average by 0.4 . the number age of the family now is :
Example Output:
85