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: Jason grew 32 watermelons and 22 cantelopes. Dan grew 31watermelons. How many watermelons did they grow in total?

SOLUTION: 63.0

PROBLEM: Kaleen filled a bucket with 0.8 gallon of water. A few minutes later,she realized only 0.5 gallon of water remained. How much water had leaked out of the bucket?

SOLUTION: 0.3

PROBLEM: There are 42 walnut trees and 12 orange trees currently in the park.Park workers had to cut down 13 walnut trees that were damaged.How many walnut trees will be in the park when the workers arefinished?

SOLUTION:
29.0