TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: in a certain country 1 / 5 of 8 = 4 . assuming the same proportion , what would be the value of 1 / 4 of 16 ?

SOLUTION: 10

PROBLEM: Problem: a salt manufacturing company produced a total of 2000 tonnes of salt in january of a particular year . starting from february its production increased by 100 tonnes every month over the previous months until the end of the year . find its ave 66 rage daily production for that year ?

SOLUTION: 83

PROBLEM: Problem: how many of the integers between 15 and 55 are even ?

SOLUTION:
20