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.

Example Input: A restaurant served 4 pies during lunch and 9 during dinner today.The restaurant served 7 pies and 2 pizzas yesterday. How many pieswere served in total?
Example Output: 20.0

Example Input: 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?
Example Output: 12.0

Example Input: Sandy grew 8 carrots and 7 turnips. Mary grew 6 carrots. How manycarrots did they grow in all?
Example Output:
14.0