instruction:
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.
question:
paul had 28 strawberries in his basket . he picked 35 more strawberries . how many strawberries did he have then ?
answer:
63

question:
haley watched tv for 6 hours on saturday and 3 hours on sunday . how many hours did haley watch tv total ?
answer:
9

question:
ellen has 6 more balls than marin . marin has 9 balls . how many balls does ellen have ?
answer:
15