instruction:
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.
question:
Mary had 8 potatoes in the garden. The rabbits ate 3 of the potatoes. How many potatoes does Mary now have?
answer:
5.0


question:
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?
answer:
63.0


question:
Gordon bought 3.4 pounds of fruit for a class party. The class ate 2.2 pounds of the fruit. How much fruit is left now?
answer:

1.2