You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.
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Question: A treasure hunter discovered a buried treasure chest filled with atotal of 5155 gems. 45 of the gems were diamonds, and the restwere rubies. How many of the gems were rubies?

Answer: 5110.0


Question: Mary picked 14 oranges and Jason picked 41 oranges. Keith picked 38apples. How many oranges were picked in all?

Answer: 55.0


Question: A restaurant served 7 slices of pie during lunch and 5 during dinnertoday. It served 8 of them yesterday. How many slices of pie wereserved today?

Answer:
12.0