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: At the zoo, a cage had 93 snakes and 97 alligators. If 40 alligators were hiding 

 Question: How many alligators were not hiding?

A: 57
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Q: Context: During summer break 800059 kids from Lawrence county go to camp and the rest stay home. Lawrence county has 828521 kids in all. 

 Question: About how many kids stayed home?

A: 28462
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Q: Context: Olivia spent 38 dollars at a supermarket. If there were 128 dollars in her wallet initially 

 Question: How much money does she have left?

A:
90
****