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]: Greg and Sharon own neighboring cornfields. Greg harvested 0.4 acreof corn on Monday and Sharon harvested 0.1 acre. How many moreacres did Greg harvest than Sharon?
[EX A]: 0.3

[EX Q]: Mary picked 122 oranges and Jason picked 105 oranges from theorange tree. How many oranges were picked in total?
[EX A]: 227.0

[EX Q]: There are 41 crayons and 26 pencils in the drawer. Sam placed 12crayons in the drawer. How many crayons are now there in total?
[EX A]:
53.0