On a map with a scale of 1:2000000, the distance between the two cities is 6 cm. If it is drawn on a map with a scale of 1:5000000, how many centimeters is the distance on the map?
在比例尺是1：2000000的地图上，量得两城市间的距离是6厘米，如果画在比例尺是1：5000000的地图上，图上距离是多少厘米？
<gadget id="calculator">1 / 2_000_000</gadget>
<output>1/2_000_000 = around 0</output>

<gadget id="calculator">6 / (1/2_000_000)</gadget>
<output>12_000_000</output>

<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">12_000_000 * (1/5_000_000)</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>