You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
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Question: Mrs. Hilt bought 2 pizzas . Each pizza had 8 slices . How many total slices of pizza did she have ?

Answer: 16


Question: There are 5 flowers and 3 bees . How many fewer bees are there than flowers ?

Answer: 2


Question: Fred has 709 green balloons , he gave Sandy 221 of the balloons . How many green balloons does he now have ?

Answer:
488