On a 1:5000000 map, the distance between A and B is 6 cm. If it is drawn on a 1:3000000 map, how many centimeters should it draw?
在1：5000000的地图上，量得甲、乙两地距离是6厘米，把它画在1：3000000的地图上，应画几厘米？
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">6 / (1/5_000_000)</gadget>
<output>30_000_000</output>

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

<gadget id="calculator">30_000_000 * (1/3_000_000)</gadget>
<output>10</output>

<result>10</result>