On a map with a scale of 1:2000000, the length of AB and AB is 6 cm. If it is changed to a map with a scale of 1:8000000, what is the distance in centimeters between the two places?
在一幅比例尺是1：2000000的地图上，量得AB两地长6厘米，如果改在比例尺是1：8000000的地图上，这两地的图上距离是多少厘米？
<gadget id="calculator">1 / 2_000_000</gadget>
<output>1/2_000_000 = around 0</output>

<gadget id="calculator">6 / (1/2_000_000)</gadget>
<output>12_000_000</output>

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

<gadget id="calculator">12_000_000 * (1/8_000_000)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>