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

Ex Input:
Problem: convert 2 / 5 to a decimal

Ex Output:
0.4


Ex Input:
Problem: how many quarters are equal to 7 dollars ?

Ex Output:
28


Ex Input:
Problem: if a speaks the truth 60 % of the times , b speaks the truth 50 % of the times . what is the probability that at least one will tell the truth

Ex Output:

0.8