The distance between A and B is 1350 kilometers, how many centimeters should be drawn on a map with a scale of 1:30000000.
甲、乙两地相距1350千米，在比例尺是1：30000000的地图上应画出多少厘米．
<gadget id="calculator">1 / 30_000_000</gadget>
<output>1/30_000_000 = around 0</output>

<gadget id="calculator">(1/30_000_000) * 1_350 * 100_000</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>