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 6 short bushes and 4 tall trees currently in the park. Parkworkers had to cut down 2 short bushes that were damaged. Howmany short bushes will the park have when the workers are finished?
[A]: 4.0


[Q]: Jonah added 0.3 cup of yellow raisins and 0.4 cup of black raisins to abatch of trail mix. How many cups of raisins did Jonah add in all?
[A]: 0.7


[Q]: Keith spent $136.06 on speakers, $139.38 on a CD player, and $112.46 on new tires. He wanted 3 CD's for $6.16, but did n't buythem. In total, how much did he spend?
[A]:
387.9