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

[Q]: Problem: a man , a woman and a boy can together complete a piece of work in 3 days . if a woman alone can do it in 6 days and a boy alone in 18 days , how long will a man take to complete the work ?
[A]: 9 days


[Q]: Problem: the owner of a furniture shop charges his customer 10 % more than the cost price . if a customer paid rs . 8800 for a computer table , then what was the cost price of the computer table ?
[A]: rs . 8000


[Q]: Problem: if x * y = xy – 2 ( x + y ) for all integers x and y , then 3 * ( – 3 ) =
[A]:
– 9


