On a map with a scale of 1:3,000,000, the measured distance from Wuyi to Hangzhou is 8 cm. What is the actual distance from Wuyi to Hangzhou in kilometers?
在一副比例尺为1：3000000的地图上，量得武义至杭州的距离是8厘米，武义至杭州的实际距离是多少千米．
<gadget id="calculator">1 / 3_000_000</gadget>
<output>1/3_000_000 = around 0</output>

<gadget id="calculator">8 / (1/3_000_000) / 100_000</gadget>
<output>240</output>

<result>240</result>