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.

Q: tom had $ 19 and he wanted to buy as many folders as he could . if 1 folder costs $ 2 how many folders can tom buy ?

A: 9.5
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Q: he also had 8 aquariums for saltwater animals . each aquarium has 64 animals in it . how many saltwater animals does tyler have ?

A: 512
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Q: finally she planned on going to the halloween party in the village club house . she wanted to make sure that she will have the perfect costume so she rented 4 different costumes from the halloween store . if each costume rent costs $ 2 how much did she spend on all the costumes ?

A:
8
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