TASK DEFINITION: The task is to generate the correct answer for a given math problem.
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: a reduction of 20 % in the price of oil enables a house wife to obtain 4 kgs more for rs . 600 , what is the reduced price for kg ?

SOLUTION: 30

PROBLEM: Problem: how much time will a train of length 380 m moving at a speed of 72 kmph take to cross another train of length 540 m , moving at 36 kmph in the same direction ?

SOLUTION:
92