'''
Created by: Amy Atz
Date: 08/18/2011
This functon will convert mileage
from miles per gallon to liters per 100 kilometers.
'''

def convert_mileage(mileage):
    '''This will convert from miles per gallon to km per liter'''

    KM_PER_L = 0.425133

    km = mileage * KM_PER_L

    return km

def liters_needed(dist, mileage):
    '''This will take a given distance in km and the gas mileage of a car and tell
    how many liters of gas is needed to cover that distance.'''
    
    liters = dist / convert_mileage(mileage)

    return liters

#Main

mileage = int(raw_input("What is the mileage in miles per one gallon?"))
    
answer_1 = convert_mileage(mileage)/100

print("This is equal to " + str(answer_1) + " liters per 100 km.")

dist = int(raw_input("How many kilometers do you need to travel?"))

answer_2 = liters_needed(dist, mileage)

print ("You will need " + str(answer_2) + " liters of fuel to cover that distance.")            



raw_input("Press any key to continue.")