You are given a math word problem and you are supposed to apply a single mathematical operator like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
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Question: will went to the state fair and rode the ferris wheel 13 times . if he rode it 7 times during the day how many times did he ride it at night ?

Answer: 6

Question: audrey has 26 peaches . paul has 48 peaches . what 's the difference of the number of audrey 's peaches and paul 's peaches ?

Answer: 22

Question: at the zoo a cage had 68 snakes . if 42 were hiding how many snakes were not hiding ?

Answer:
26