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.

There are 31 short trees and 32 tall trees currently in the park. Parkworkers will plant short trees today. When the workers are finishedthere will be 95 short trees in the park. How many short trees did theworkers plant today?
64.0

A farmer estimates that he will harvest 48097 bushels of wheat. Theweather is perfect during the growing season, so he harvests 684bushels of wheat than expected. How many bushels of wheat doesthe farmer harvest?
48781.0

Terrell hiked 8.2 miles on Saturday. Then, on Sunday, he hikedanother 1.6 miles. How far did Terrell hike all together?

9.8