instruction:
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.
question:
Context: After a typhoon, 13 trees in Haley's backyard died. If she had grown 3 trees initially

Question: How many more trees died in the typhoon than those that survived?
answer:
23

question:
Context: Paco had 97 salty cookies and 34 sweet cookies. He ate 15 sweet cookies and 56 salty cookies.

Question: How many sweet cookies did Paco have left?
answer:
19

question:
Context: Paco ate 36 cookies. If he had 37 cookies initially

Question: How many cookies did Paco have left?
answer:
1