On a map with a scale of 1:12000000, the distance from Jinan to Qingdao is 4 cm. On a map with a scale of 1:8,000,000, what is the distance in centimeters from Jinan to Qingdao?
在比例尺为1：12000000的地图上，量得济南到青岛的距离是4厘米．在比例尺是1：8000000的地图上，济南到青岛的距离是多少厘米？
<gadget id="calculator">1 / 12_000_000</gadget>
<output>1/12_000_000 = around 0</output>

<gadget id="calculator">4 / (1/12_000_000)</gadget>
<output>48_000_000</output>

<gadget id="calculator">1 / 8_000_000</gadget>
<output>1/8_000_000 = around 0</output>

<gadget id="calculator">48_000_000 * (1/8_000_000)</gadget>
<output>6</output>

<result>6</result>