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: Baker made 54 cakes and 143 pastries. If he sold 68 cakes and 92 pastries 

 Question: How many more pastries than cakes did baker sell?

Ex Output:
24


Ex Input:
Context: Mary is baking a cake. The recipe calls for 11 cups of sugar and 9 cups of flour. She already put in 12 cups of flour and 10 cups of sugar. 

 Question: How many more cups of sugar does she need to add?

Ex Output:
1


Ex Input:
Context: There were 15 roses and 62 orchids in the vase. Jessica cut some more roses and orchids from her flower garden. There are now 17 roses and 96 orchids in the vase. 

 Question: How many roses did she cut?

Ex Output:

2