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 Q]: Context: Jerry had 5 action figures and 2 books on a shelf in his room. Later he added 9 more books to the shelf. 

 Question: How many more books than action figures were on his shelf?
[EX A]: 6

[EX Q]: Context: Helen the hippo and her friends are preparing for thanksgiving at Helen's house. Helen baked 19 chocolate chip cookies yesterday and 231 raisin cookies and 237 chocolate chip cookies this morning. 

 Question: How many more chocolate chip cookies than raisin cakes did Helen bake?
[EX A]: 25

[EX Q]: Context: Baker's friend bought 137 cakes from him. If he had made 169 cakes initially 

 Question: How many cakes would baker still have?
[EX A]:
32