The actual distance from Nanjing to Beijing is about 900 kilometers. What is the distance drawn on a map with a scale of 1:6,000,000?
南京到北京的实际距离大约是900千米，画在比例尺是1：6000000的地图上的距离是多少．
<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>

<gadget id="calculator">900 * 100_000 * (1/6_000_000)</gadget>
<output>15</output>

<result>15</result>