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:
There are 7.75 gallons of water in Becky's fish tank. If Becky adds 7.05 gallons more, how many gallons will there be in all?

Ex Output:
14.8


Ex Input:
Roadster's Paving Company used 10 tons of cement to pave Lexi'sstreet and 5.1 tons of cement to pave Tess's street. How muchcement did Roadster's Paving Company use in all?

Ex Output:
15.1


Ex Input:
Last year at Newberg's airport, 14507 passengers landed on time.Unfortunately, 213 passengers landed late. In all, how manypassengers landed in Newberg last year?

Ex Output:

14720.0


