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.

Q: Rachel bought 7 new chairs and 3 new tables for her house . If she spent 4 minutes on each piece furniture putting it together , how many minutes did it take her to finish ?

A: 40
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Q: There were 4 friends playing a video game online when 5 more players joined the game . If each player had 3 lives , how many lives did they have total ?

A: 27
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Q: Dan has $ 3 . He bought a candy bar for $ 1 . How much money is left ?

A:
2
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