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]: At Lindsey's Vacation Wear, 0.37 the garments are bikinis and 0.23 are trunks. What fraction of the garments are either bikinis or trunks?
[A]: 0.6


[Q]: There are 7 crayons in the drawer. Mary took 3 crayons out of thedrawer. How many crayons are there now?
[A]: 4.0


[Q]: There are 33 oak trees currently in the park. Park workers had to cutdown 18 oak trees that were damaged. How many oak trees will bein the park when the workers are finished?
[A]:
15.0