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.

Example Input: Context: Last week Fred had 49 dollars and Jason had 3 dollars. Fred washed cars over the weekend and now has 112 dollars. Jason delivered newspapers and now has 63 dollars. 

 Question: How much money did Jason earn by delivering newspapers?
Example Output: 60

Example Input: Context: Dave had 15 apps and 24 files on his phone. After deleting some apps and files he had 21 apps and 4 files left. 

 Question: How many more apps than files does he have left on the phone?
Example Output: 17

Example Input: Context: Danny collects bottle caps and wrappers. He found 66 wrappers and 39 bottle caps at the park. Now he has 16 bottle caps and 68 wrappers in his collection. 

 Question: How many wrappers did danny have at first?
Example Output:
2