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.

Q: A pet supply store has 600 bags of dog food and 327 bags of cat food . How many more bags of dog food are there than cat food ?

A: 273
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Q: A teacher had 6 worksheets to grade . If she graded 4 , but then another 18 were turned in , how many worksheets would she have to grade ?

A: 20
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Q: On a hot day , Sam poured 1 bucket of water into a plastic wading pool . A few minutes later he added another 8.8 buckets . How much water did Sam pour into the pool ?

A:
9.8
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