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

Ex Input:
Problem: ? x 12 = 173 x 240

Ex Output:
3460


Ex Input:
Problem: one half of a two digit number exceeds its one third by 7 . what is the sum of the digits of the number ?

Ex Output:
e ) 1


Ex Input:
Problem: ashok secured average of 72 marks in 6 subjects . if the average of marks in 5 subjects is 74 , how many marks did he secure in the 6 th subject ?

Ex Output:

62