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

[Q]: Problem: working together , wayne and his son can shovel the entire driveway in three hours . if wayne can shovel six times as fast as his son can , how many hours would it take for his son to shovel the entire driveway on his own ?
[A]: 7


[Q]: Problem: find the principle on a certain sum of money at 9 % per annum for 2 2 / 5 years if the amount being rs . 1120 ?
[A]: 921.0


[Q]: Problem: how many even number in the range between 15 to 100 inclusive are not divisible by 3
[A]:
29