The length of the railway between the two cities is 360 kilometers. On a map with a scale of 1:4,000,000, how many centimeters should it draw?
两城市间的铁路长360千米，在比例尺是1﹕4000000的地图上，要画多少厘米．
<gadget id="calculator">1 / 4_000_000</gadget>
<output>1/4_000_000 = around 0</output>

<gadget id="calculator">360 * 100_000 * (1/4_000_000)</gadget>
<output>9</output>

<result>9</result>