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: 52 campers went rowing in the morning. 61 campers went rowing in the afternoon. 

 Question: How many more campers went rowing in the afternoon than in the morning?

Output: 9


Input: Consider Input: Context: A grocery store had 54 bottles of diet soda, 83 bottles of regular soda and 12 apples. 

 Question: How many more bottles of regular soda than diet soda did they have?

Output: 29


Input: Consider Input: Context: Paco had 12 cookies. He ate 16 cookies and gave 21 of them to his friend. 

 Question: How many more cookies did he give to his friend than those he ate?


Output: 5