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: Mary starts with 27 eggs . She finds another 4 . How many eggs does Mary end with ?

A: 31
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Q: Ruth starts with 89 apples . She shares 5 with Peter . How many apples does Ruth end with ?

A: 84
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Q: Ralph collects 4 cards . Ralph 's father gives Ralph 8 more . How many cards does Ralph have ?

A:
12
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