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

SOLUTION: 106491.0

PROBLEM: Last week Fred had 23 dollars and Jason had 46 dollars. Fred washedcars over the weekend and now has 86 dollars. How much money didFred make washing cars?

SOLUTION: 63.0

PROBLEM: Craig walked 0.2 mile from school to David's house and 0.7 mile fromDavid's house to his own house. How many miles did Craig walk in all?

SOLUTION:
0.9