You are given a math word problem and you are supposed to apply a single mathematical operator 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: haley bought 11 new shirts for school . if she returned 6 of them how many did she end up with ?

Answer: 5

Question: there were 6 roses in the vase . jessica cut some more roses from her flower garden . there are now 18 roses in the vase . how many roses did she cut ?

Answer: 12

Question: lucy has an aquarium with 212 fish . she wants to buy 68 more fish . how many fish would lucy have then ?

Answer:
280