TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: a 9 % stock yields 8 % . the market value of the stock is :

SOLUTION: rs . 112.50

PROBLEM: Problem: virginia , adrienne , and dennis have taught history for a combined total of 96 years . if virginia has taught for 9 more years than adrienne and for 12 fewer years than dennis , for how many years has dennis taught ?

SOLUTION: 4

PROBLEM: Problem: every year an amount increases by 1 / 8 th of itself . how much will it be after two years if its present value is rs . 57600 ?

SOLUTION:
72900