TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: joan took out a mortgage from hel local bank . each monthly mortgage payment she makes must be triple the amount of the previous month ' s payment . if her first payment is $ 100 , and the total amount she must pay back is $ 914800 , how many months will it take joan to pay back her mortgage ?

SOLUTION: 9

PROBLEM: Problem: a , b , c , d , e , f , g , h sitting in a row what is the probability that a , b , c sitting together ?

SOLUTION: 3 / 28

PROBLEM: Problem: sakshi can do a piece of work in 12 days . tanya is 20 % more efficient than sakshi . the number of days taken by tanya to do the same piece of work is ?

SOLUTION:
10