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

Example Input: Problem: if one - third of one - fourth of a number is 18 , then 3 - tenth of that number is : a . 35
Example Output: 64.8

Example Input: Problem: how many numbers are divisible by both 2 and 3 up to 300 ?
Example Output: 50

Example Input: Problem: a train moves with a speed of 135 kmph . its speed in metres per second is
Example Output:
37.5