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.

[Q]: There are 107 walnut trees currently in the park. Park workers willplant 104 walnut trees today. How many walnut trees will the parkhave when the workers are finished?
[A]: 211.0


[Q]: A chef bought 0.12 kilograms of almonds and 0.38 kilograms of pecans. How many kilograms of nuts did the chef buy in all?
[A]: 0.5


[Q]: Dan picked 9 limes and gave Sara 4 of the limes. How many limesdoes Dan have now?
[A]:
5.0