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:
Mary is baking a cake. The recipe calls for 7 cups of flour and 3 cupsof sugar. She already put in 2 cups of flour. How many cups of flourdoes she need to add?

Ex Output:
5.0


Ex Input:
A cell phone company has a total of 7422 customers across the world. If 723 of its customers live in the United States, how many of itscustomers live in other countries?

Ex Output:
6699.0


Ex Input:
A multi-national corporation has 2041 part-time employees and63093 full-time employees. How many employees work for thecorporation?

Ex Output:

65134.0