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.

Context: Jack received 10 emails in the morning, 7 emails in the afternoon and 17 emails in the evening. 

 Question: How many more emails did Jack receive in the morning than in the afternoon?
3

Context: Bobby had 32 pieces of candy. He ate some pieces of candy. If he has 20 pieces of candy left 

 Question: How many pieces of candy did Bobby eat?
12

Context: Last week Fred had 49 dollars and Jason had 3 dollars. Fred washed cars over the weekend and now has 112 dollars. Jason delivered newspapers and now has 63 dollars. 

 Question: How much money did Jason earn by delivering newspapers?

60