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 has 9 blue balloons, Sally has 5 blue balloons, and Jessica has 2blue balloons. How many blue balloons do they have in total?

Ex Output:
16.0


Ex Input:
Mandy made an apple pie. She used 0.6 tablespoon of cinnamon and 0.5 tablespoon of nutmeg. How much more cinnamon than nutmeg did Mandy use?

Ex Output:
0.1


Ex Input:
Sally grew 6 carrots. Fred grew 4 carrots. How many carrots did theygrow in all?

Ex Output:

10.0