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 Input:
Alyssa picked 42 pears and Nancy picked 17 pears from the pear tree.How many pears were picked in all?

Ex Output:
59.0


Ex Input:
While making pastries, a bakery used 0.2 bag of wheat flour and 0.1 bag of white flour. How many bags of flour did the bakery use in all?

Ex Output:
0.3


Ex Input:
Melanie picked 7 plums and 4 oranges from the orchard. She gave 3plums to Sam. How many plums does she have now?

Ex Output:

4.0