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.

Input: Consider Input: Sara has 792 black and 122 red marbles. Fred took 233 of Sara'sblack marbles. How many black marbles does Sara now have?

Output: 559.0


Input: Consider Input: A construction company ordered 0.16 ton ofconcrete, 0.14 ton of bricks, and 0.5 ton of stone. How many tons of material did the company order in all?

Output: 0.8


Input: Consider Input: A restaurant served 6 cakes during lunch and 9 during dinner today.How many cakes were served today?


Output: 15.0