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: There are 2 maple trees and 5 popular trees currently in the park . Park workers will plant 9 maple trees today . How many maple trees will the park have when the workers are finished ?

Answer: 11


Question: Elizabeth went to the salon and had 0.375 inch of hair cut off . The next day she went back and asked for another 0.5 inch to be cut off . How much hair did she have cut off in all ?

Answer: 0.875


Question: Melissa has 70 oranges . John takes 19 away . How many oranges will Melissa have ?

Answer:
51