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: Molly owns the Wafting Pie Company. This morning, her employeesused 816 eggs to bake pumpkin pies. If her employees used a total of1339 eggs today, how many eggs did they use in the afternoon?

Answer: 523.0


Question: Sally had 39 baseball cards, and 9 were torn. Sara bought 24 of Sally's baseball cards. How many baseball cards does Sally have now?

Answer: 15.0


Question: There were originally 20817 houses in Lincoln County. During ahousing boom, developers built 97741. How many houses are therenow in Lincoln County?

Answer:
118558.0