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

Input: Consider Input: Problem: what is the probability of getting a queen or spade from a set of cards ?

Output: 4 / 13


Input: Consider Input: Problem: john left home and drove at the rate of 45 mph for 2 hours . he stopped for lunch then drove for another 3 hours at the rate of 45 mph to reach his destination . how many miles did john drive ?

Output: 225 miles .


Input: Consider Input: Problem: a grocer has a sale of rs . 5420 , rs . 5660 , rs . 6200 , rs . 6350 and rs . 6500 for 5 consecutive months . find the sale he should have in the sixth month , so that he gets an average sale of rs . 6400 ?


Output: rs . 8270