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

Input: Consider Input: Problem: tim came second in math . when his mother asked him how much he had scored , he answered that he got the sum of the first 12 even numbers . his mother immediately worked out the answer . how much had he scored in math ?

Output: 156

Input: Consider Input: Problem: the cash realised on selling a 14 % stock is rs . 106.25 , brokerage being 1 / 4 % is ?

Output: 106

Input: Consider Input: Problem: the length of a room is 5.5 m and width is 3.75 m . find the cost of paving the floor by slabs at the rate of rs . 600 per sq . metre .
Output: rs . 12375