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: Olivia and her mom were picking carrots from their garden . Olivia picked 20 and her mother picked 14 . If only 19 of the carrots were good , how many bad carrots did they have ?

Output: 15


Input: Consider Input: Jason picked 46 pears , Keith picked 47 pears , and Mike picked 12 pears from the pear tree . How many pears were picked in total ?

Output: 105


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