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: Paul had saved up 4 dollars . If he received another 11 dollars for his allowance , how many 5 dollar toys could he buy ?

Answer: 3


Question: For the school bake sale Amy made pastries . She baked 15 cupcakes and 48 cookies . After the sale she had 12 to take back home . How many pastries did she sell ?

Answer: 51


Question: Lucy went to the grocery store . She bought 12 packs of cookies and 16 packs of noodles . How many packs of groceries did she buy in all ?

Answer:
28