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

Input: Consider Input: Problem: the area of a triangle is with base 10 m and height 5 m ?

Output: 25

Input: Consider Input: Problem: anne bought doughnuts for a class breakfast party . she bought 9 chocolate doughnuts , 7 coconut doughnuts , and 9 jam - filled doughnuts . how many doughnuts did anne buy in all ?

Output: 25

Input: Consider Input: Problem: a train which has 410 m long , is running 45 kmph . in what time will it cross a person moving at 9 kmph in same direction ?
Output: 41 sec