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: There were some roses in the vase. Jessica cut 16 more roses from her flower garden and put them in the vase. There are now 23 roses in the vase. 

 Question: How many roses were there in the vase at the beginning?

Ex Output:
7


Ex Input:
Context: Paco had 8 sweet cookies and 6 salty cookies. He ate 20 sweet cookies and 34 salty cookies. 

 Question: How many more salty cookies than sweet cookies did he eat?

Ex Output:
14


Ex Input:
Context: Julia played tag with some kids on monday. She played tag with 14 kids on tuesday. If she played with a total of 16 kids 

 Question: How many kids did she play with on monday?

Ex Output:

2