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:
Joan found 6 seashells and Jessica found 8 seashells on the beach.How many seashells did they find together?

Ex Output:
14.0


Ex Input:
The Montoya family spends 0.6 their budget on groceries and another 0.2 going out to eat. Altogether, what fraction of their budget doesthe Montoya family spend on food?

Ex Output:
0.8


Ex Input:
Jason had Pokemon cards. He gave 9 to his friends. He now has 4Pokemon cards. How many Pokemon cards did he have to start with?

Ex Output:

13.0