Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.
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Question: hayley had 25 meatballs on her plate . kirsten stole some of her meatballs . now she has 11 meatballs on her plate . how many meatballs did kirsten steal ?

Answer: 14

Question: brian ran around the school track in 96 seconds . todd ran around it in 88 seconds . how many fewer seconds did it take todd to run around the tracl ?

Answer: 8

Question: olivia had 11 quarters . if she spent 4 of them buying a soda how many coins did she have left ?

Answer:
7