TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: a man whose speed is 4.5 kmph in still water rows to a certain upstream point and back to the starting point in a river which flows at 1.5 kmph , find his average speed for the total journey ?

SOLUTION: 4

PROBLEM: 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 ?

SOLUTION: 25

PROBLEM: Problem: the perimeter of a triangle is 36 cm and the inradius of the triangle is 2.5 cm . what is the area of the triangle

SOLUTION:
b ) 45