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 a birthday party Tom bought 4 regular sodas and 52 diet sodas . If his fridge would only hold 7 on each shelf , how many shelves would he fill up ?

Answer: 8

Question: Tanner saved $ 17 in September . He saved $ 48 in October and $ 25 in November . Then Tanner spent $ 49 on a video game . How much money does Tanner have left ?

Answer: 41

Question: Katie was selling her necklaces at a garage sale . She sold 4 bead necklaces and 3 gem stone necklaces . If each necklace cost 3 dollars , how much money did she earn ?

Answer:
21