You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Q: A restaurant made 9 hamburgers to serve during lunch . Only 3 were actually served . How many hamburgers were over from lunch ?

A: 6
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Q: Carlos has 58 blocks . He gives 21 to Rachel . How many blocks will Carlos have ?

A: 37
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Q: Craig starts with 5 Skittles . 2 are eaten by a hippopotamus . How many Skittles does Craig end with ?

A:
3
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