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.

Ex Input:
Context: For Gwen's birthday she received 2 dollars from her mom. Her dad gave her 4 more dollars. If she spent 3 dollars. 

 Question: How much money did she still have?

Ex Output:
3


Ex Input:
Context: Nell collects cards. She had 246 baseball cards and 214 Ace cards. She gave some of her cards to Jeff and now has 404 baseball cards and 495 Ace cards left. 

 Question: How many more Ace cards than baseball cards does Nell have?

Ex Output:
91


Ex Input:
Context: At the zoo, a cage had 93 snakes and 97 alligators. If 40 alligators were hiding 

 Question: How many alligators were not hiding?

Ex Output:

57