instruction:
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.
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:
Anne weighs 67 pounds . Douglas weighs 52 pounds . How much heavier is Anne than Douglas ?
answer:
15


question:
James rode 80 miles at 16 miles per hour . How long did James ride ?
answer:

5