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: A waiter had 14 customers. 5 customers left.

Question: How many customers does he still have?

Ex Output:
9

Ex Input:
Context: The grasshopper, the frog and the mouse had a jumping contest. The grasshopper jumped 9 inches. The mouse jumped 3 inches lesser than the frog who jumped 33 inches farther than the grasshopper.

Question: How far did the mouse jump?

Ex Output:
39

Ex Input:
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 Output:
25