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

[Q]: Problem: a cycle is bought for rs . 900 and sold for rs . 1080 , find the gain percent ?
[A]: 20 %


[Q]: Problem: if a * b * c = ( √ ( a + 2 ) ( b + 3 ) ) / ( c + 1 ) , find the value of 6 * 15 * 1 .
[A]: 2


[Q]: Problem: a customer went to a shop and paid a total of $ 40 , out of which $ 1.28 was for sales tax on taxable purchases . if the tax rate was 8 % , then what was the cost of the tax free items ?
[A]:
$ 22.72