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

Answer: 31


Question: Sam had 9 dimes in his bank . His dad gave him 7 more dimes . How many dimes does Sam have now ?

Answer: 16


Question: Michael has some fish in his fish tank . Ben gave him 18 more fish . Now he has 49 . How many fish did he have to begin with ?

Answer:
31