The track and field field of Chen Ming's school is 120 meters long. If it is drawn on the drawing at a scale of 1:2000, how many centimeters do you need to draw?
陈明所在学校的田径场长120米，如果按1：2000的比例画到图纸上，需要画多少厘米．
<gadget id="calculator">120 * 100</gadget>
<output>12_000</output>

<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>

<gadget id="calculator">12_000 * (1/2_000)</gadget>
<output>6</output>

<result>6</result>