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.

[EX Q]: Sam's dog had puppies and 8 had spots. He gave 2 to his friends. Henow has 6 puppies. How many puppies did he have to start with?
[EX A]: 8.0

[EX Q]: Last week Fred had 23 dollars and Jason had 46 dollars. Fred washedcars over the weekend and now has 86 dollars. How much money didFred make washing cars?
[EX A]: 63.0

[EX Q]: There are 39 scissors and 22 pencils in the drawer. Dan placed 13scissors in the drawer. How many scissors are now there in total?
[EX A]:
52.0