You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Input: Consider Input: Context: 22 children were riding on the bus. At the bus stop 40 children got on the bus while some got off the bus. Then there were 2 children altogether on the bus. 

 Question: How many children got off the bus at the bus stop?

Output: 60


Input: Consider Input: Context: Paco had 28 cookies. He ate some of them and had 7 cookies left. 

 Question: How many cookies did Paco eat?

Output: 21


Input: Consider Input: Context: Paco had 13 cookies. He ate 2 of them. Then he bought 36 more cookies 

 Question: How many more cookies did he buy than those he ate?


Output: 34