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

Ex Input:
Problem: find compound interest on $ 10000 at 15 % per annum for 2 years 4 months , compounded annually .

Ex Output:
3886.25


Ex Input:
Problem: in a forest 150 deer were caught , tagged with electronic markers , then released . a week later , 50 deer were captured in the same forest . of these 50 deer , it was found that 20 had been tagged with the electronic markers . if the percentage of tagged deer in the second sample approximates the percentage of tagged deer in the forest , and if no deer had either left or entered the forest over the preceding week , what is the approximate number of deer in the forest ?

Ex Output:
6,000


Ex Input:
Problem: lloyd normally works 7.5 hours per day and earns $ 4.00 per hour . for each hour he works in excess of 7.5 hours on a given day , he is paid 1.5 times his regular rate . if lloyd works 10.5 hours on a given day , how much does he earn for that day ?

Ex Output:

$ 48.00