On a map with a scale of 1:6000000, the measured distance between the two places is 4 cm. What is the actual distance in kilometers between the two places?
在一副比例尺是1：6000000的地图上，量得两地的距离是4厘米，两地的实际距离是多少千米．
<gadget id="calculator">42_000_000 / 175_000</gadget>
<output>240</output>

<result>240</result>