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

Input: Consider Input: A magician was selling magic card decks for 2 dollars each . If he started with 5 decks and by the end of the day he had 3 left , how much money did he earn ?

Output: 4


Input: Consider Input: My car gets 20 miles per gallon . How many miles can I drive on 5 gallons of gas ?

Output: 100


Input: Consider Input: A new virus is released on the internet . The administrator of a department 's LAN is given 5 minutes by a manager to estimate the impact . The administrator samples 12 of the PCs connected to the LAN and finds that 7 are infected . Use a proportion to estimate the number of infected PCs if there are a total of 216 PCs connected to the LAN .


Output: 126