You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators 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: At Billy 's Restaurant a group with 2 adults and 5 children came in to eat . If each meal cost 3 dollars , how much was the bill ?

Answer: 21

Question: Henry had 11 dollars . For his birthday he got 18 more dollars but spent 10 on a new game . How much money does he have now ?

Answer: 19

Question: Craig has 20 apples . Judy has 11 apples . He shares 7 with Eugene . How many apples will Craig have ?

Answer:
13