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:
Tim found 37 seashells and Sally found 13 seashells on the beach.When they cleaned them, they discovered that 25 were cracked.How many seashells did they find together?

Ex Output:
50.0

Ex Input:
Dan's cat had kittens and 5 had spots. He gave 7 to Tim and 4 toJason. He now has 5 kittens. How many kittens did he have to startwith?

Ex Output:
16.0

Ex Input:
There were 32 bales of hay in the barn and 26 bales in the shed.Jason stacked bales in the barn today. There are now 98 bales of hayin the barn. How many bales did he store in the barn?

Ex Output:
66.0