The task is to generate the correct answer for a given math problem.
--------
Question: Problem: how many quarters are equal to 7 dollars ?

Answer: 28


Question: Problem: find the least number must be subtracted from 105829 so that remaining no . is divisible by 21 ?

Answer: 10


Question: Problem: total 30 cows 10 cow gives each 2 liter milk 10 cow gives each 3 / 4 liter milk 10 cow gives each 1 / 4 liter milk this is split into 3 son per each 10 cows & 10 liter milk how ?

Answer:
10