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.
Input: There are 34 dogwood trees currently in the park. Park workers willplant 49 dogwood trees today. How many dogwood trees will thepark have when the workers are finished?

83.0