TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: 475.124 x 15.98 ÷ 8.001 + 33.33 = ?

SOLUTION: 983.578

PROBLEM: Problem: the average of first six prime numbers greater than 20 is ?

SOLUTION: 3

PROBLEM: Problem: the ratio of the present age of sandy to that of molly is 9 : 2 . eight years from now , the ratio of the ages of sandy to molly will be 5 : 2 . what was sandy ' s age 6 years ago ?

SOLUTION:
21