The distance from City A to City B is 420 kilometers, and the distance drawn on the map is 14 centimeters. The distance from City B to City C is 600 kilometers. How many centimeters should be drawn on the map?
甲城到乙城的距离是420千米，画在地图上是14厘米，乙城到丙城的距离是600千米，画在地图上该画多少厘米？
<gadget id="calculator">420 * 100_000</gadget>
<output>42_000_000</output>

<gadget id="calculator">14 / 42_000_000</gadget>
<output>1/3_000_000 = around 0</output>

<gadget id="calculator">600 * 100_000 * (1/3_000_000)</gadget>
<output>20</output>

<result>20</result>