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

Ex Input:
Problem: the area of a circular field is 17.56 hectares . find the cost of fencing it at the rate of rs . 7 per metre approximately

Ex Output:
10400


Ex Input:
Problem: | x + 3 | – | 4 - x | = | 9 + x | how many solutions will this equation have ?

Ex Output:
1


Ex Input:
Problem: the area of a parallelogram is 288 sq m and its altitude is twice the corresponding base . then the length of the base is ?

Ex Output:

12