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

[EX Q]: Problem: what is the total number of integers between 10 and 50 that are divisible by 2 ?
[EX A]: 19

[EX Q]: Problem: each digit 1 through 5 is used exactly once to create a 5 - digit integer . if the 3 and the 4 can not be adjacent digits in the integer , how many 5 - digit integers are possible ?
[EX A]: 72

[EX Q]: Problem: what is the compound interest on rs : 40,000 for 4 months at the rate of 5 % per annum
[EX A]:
670.85