You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
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Question: Mike went to 15 basketball games this year , but missed 41 . He went to 39 games last year . How many basketball games did Mike go to in total ?

Answer: 54

Question: Joan has 8 orange balloons but lost 2 of them . How many orange balloons does Joan have now ?

Answer: 6

Question: There are 39 dogwood trees currently in the park . Park workers will plant 41 dogwood trees today and 20 dogwood trees tomorrow . How many dogwood trees will the park have when the workers are finished ?

Answer:
100