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:
Sara picked 45 pears and Sally picked 11 pears from the pear tree.How many pears were picked in total?

Ex Output:
56.0


Ex Input:
Sally has 9 orange balloons and 4 blue balloons. She lost 2 of theorange balloons. How many orange balloons does Sally have now?

Ex Output:
7.0


Ex Input:
Fred had 7 dimes in his bank. His sister borrowed 3 of his dimes.How many dimes does Fred have now?

Ex Output:

4.0