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.

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

Output: 170.1


Input: Consider Input: Tom was putting his spare change into piles . He had 2 piles of quarters and 4 piles of dimes . If each pile had 5 coins in it , how many coins did he have total ?

Output: 30


Input: Consider Input: Luke had 20 stickers . He bought 12 stickers from a store in the mall and got 20 stickers for his birthday . Then Luke gave 5 of the stickers to his sister and used 8 to decorate a greeting card . How many stickers does Luke have left ?


Output: 39