You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

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 ?
100

A person pays 145.8 dollars for 6 months use of an internet service . How much will 7 months of service cost ?
170.1

Luke was putting his spare change into piles . He had 5 piles of quarters and 5 piles of dimes . If each pile had 3 coins in it , how many coins did he have total ?

30