You will be given a definition of a task first, then some input of the task.
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.

Last year, 90171 people were born in a country, and 16320 peopleimmigrated to it. How many new people began living in the countrylast year?
Output:
106491.0