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:
A restaurant served 9 hot dogs during lunch and 2 during dinnertoday. It served 5 of them yesterday. How many hot dogs wereserved today?

Ex Output:
11.0


Ex Input:
Jason has 676 Pokemon cards. Alyssa bought 224 of Jason'sPokemon cards. How many Pokemon cards does Jason have now?

Ex Output:
452.0


Ex Input:
Mary got fast food for lunch. Mary spent $1.08 on soup and $4.82 on a salad. Mary paid with a 20 dollar bill. What was the total of thelunch bill?

Ex Output:

5.9