On a drawing with a scale of 1:20000, measure a playground with a width of 2 cm and a length of 3 cm. What is the actual area of the playground in square meters?
在比例尺为1：20000的图纸上，量出一个操场的宽为2厘米，长为3厘米．这个操场的实际面积是多少平方米？
<gadget id="calculator">1 / 20_000</gadget>
<output>1/20_000 = around 0.00005</output>

<gadget id="calculator">2 / (1/20_000) / 100</gadget>
<output>400</output>

<gadget id="calculator">3 / (1/20_000) / 100</gadget>
<output>600</output>

<gadget id="calculator">400 * 600</gadget>
<output>240_000</output>

<result>240_000</result>