It is about 600 kilometers from Beijing to Longkou. On a map with a scale of 1:50,000,000, how many centimeters is it?
北京到龙口大约600千米，在比例尺是1：50000000的地图上，大约是几厘米？
<gadget id="calculator">1 / 50_000_000</gadget>
<output>1/50_000_000 = around 0</output>

<gadget id="calculator">600 * 100_000 * (1/50_000_000)</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>