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.
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Question: The Litter Patrol picked up 10 glass bottles and 8 aluminum cans on Saturday . How many pieces of litter did they pick up altogether ?

Answer: 18

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: Jason grew 32 watermelons and 22 cantelopes . Dan grew 31 watermelons . How many watermelons did they grow in total ?

Answer:
63