The actual distance between Beijing and Nanjing is about 900 kilometers. On a 1:6000000 map, what is the distance in centimeters between Beijing and Nanjing?
北京与南京之间的实际距离约是900千米．在1：6000000的地图上，北京与南京之间的距离是多少厘米．
<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>