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:
Benny received 79 dollars and 9 movie tickets for his birthday. Hewent to a sporting goods store and bought a baseball glove, baseball,and bat. He had 32 dollars over, how much did he spent on thebaseball gear?

Ex Output:
47.0


Ex Input:
Last week Fred had 23 dollars and Jason had 46 dollars. Fred washedcars over the weekend and now has 86 dollars. How much money didFred make washing cars?

Ex Output:
63.0


Ex Input:
There are 6 pencils and 7 rulers in the drawer. Benny placed 3 pencilsin the drawer. How many pencils are now there in total?

Ex Output:

9.0