Draw a stadium 80 meters long on a map with a scale of 1:2000, what is the length in centimeters?
把长80米的球场画在比例尺为1：2000的地图上，长应画多少厘米．
<gadget id="calculator">80 * 100</gadget>
<output>8_000</output>

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

<gadget id="calculator">8_000 * (1/2_000)</gadget>
<output>4</output>

<result>4</result>