1) 1 Kilometer = 1000 meters
    1 meter = 100 centimeters
    1 kilometer = 100,000 centimeters
    1 centimeter = 1/100000 kilometer = 1 * 10-5 kilometer
    1 cubic centimeter = (1 * 10-5 kilometer)3 = 1 * 10-15 cubic kilometer
    36 cubic centimeters = 3.6 * 10-14 cubic kilometers
2) 1 cm3 = 1 ml
    870 cm3 = 870 ml
3) 4,700,000 cm3 = 4,700,000 * 10-15 cubic kilometers = 4.7 * 10-9 cubic kilometers