You are given a math word problem and you are supposed to apply multiple mathematical operators 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: For Halloween Bianca received 78 pieces of candy . She ate 30 pieces then placed the rest into piles with 8 in each pile . How many piles could she make ?

Answer: 6


Question: At a restaurant each adult meal costs $ 2 and kids eat free . If a group of 15 people came in and 9 were kids , how much would it cost for the group to eat ?

Answer: 12


Question: A magician was selling magic card decks for 7 dollars each . If he started with 16 decks and by the end of the day he had 8 left , how much money did he earn ?

Answer:
56