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: Jason has 7 violet balloons and 4 red balloons. He lost 3 of the violetballoons. How many violet balloons does Jason have now?

Output: 4.0


Input: Consider Input: Sally picked 7 lemons and Mary picked 9 lemons from the lemon tree. How many lemons were picked in total?

Output: 16.0


Input: Consider Input: A restaurant served 4 pies during lunch and 9 during dinner today.The restaurant served 7 pies and 2 pizzas yesterday. How many pieswere served in total?


Output: 20.0


