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: joe had 50 toy cars . if he gets 12 more cars how many cars will he have then ?

Answer: 62

Question: feeling sad about their loss on their first game chuck and his teammates were determined to win on their next match against the yellow team . they scored 72 points and the yellow team scored 55 how large was their lead ?

Answer: 17

Question: 30 dogs are barking . 10 more dogs start to bark . how many dogs are barking ?

Answer:
40