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.
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Question: Joan had 5 dimes in her bank . She spent 2 of her dimes . How many dimes does she have now ?

Answer: 3


Question: Gwen and her friends were recycling paper for their class . For every 3 pounds they recycled they earned one point . If Gwen recycled 5 pounds and her friends recycled 13 pounds , how many points did they earn ?

Answer: 6


Question: Sam has 16 blue and 25 green balloons . Alyssa has 21 blue balloons . How many blue balloons do they have in all ?

Answer:
37