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.

Q: 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?

A: 23
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Q: Context: Baker sold 8 cakes. If he had made 40 cakes initially 

 Question: How many more cakes did baker make than those he sold?

A: 32
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Q: Context: 29 campers went rowing and 66 campers went hiking in the morning. 26 campers went rowing in the afternoon. 

 Question: How many more campers went rowing in the morning than in the afternoon?

A:
3
****