TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: after decreasing 24 % in the price of an article costs rs . 684 . find the actual cost of an article ?

SOLUTION: 900

PROBLEM: Problem: if x , y , and z are positive integers , and 3 x = 5 y = 6 z , then the least possible value of x + y + z is

SOLUTION: 21

PROBLEM: Problem: the average expenditure of a labourer for 5 months was 85 and he fell into debt . in the next 4 months by reducing his monthly expenses to 60 he not only cleared off his debt but also saved 30 . his monthly income is

SOLUTION:
69.5