On a map with a scale of 1:2000000, the distance between A and B is 4cm. If A and B are drawn on a map with a scale of 1:3000000, how many centimeters should the distance between A and B be drawn on the map? ?
在一幅比例尺是1：2000000的地图上，量得甲乙两地的距离是4cm，如果将甲乙两地画在比例尺是的1：3000000的地图上，甲乙两地的图上距离应画多少cm？
<gadget id="calculator">1 / 2_000_000</gadget>
<output>1/2_000_000 = around 0</output>

<gadget id="calculator">4 / (1/2_000_000)</gadget>
<output>8_000_000</output>

<gadget id="calculator">1 / 3_000_000</gadget>
<output>1/3_000_000 = around 0</output>

<gadget id="calculator">8_000_000 * (1/3_000_000)</gadget>
<output>8/3 = around 2.666667</output>

<result>8/3 = around 2.666667</result>