On a drawing with a scale of 1:10000, measure the playground of a school as 3cm long and 2cm wide. What is the actual area of the playground?
在比例尺为1：10000的图纸上，量得某学校操场长3cm，宽2cm，这个操场的实际面积是多少㎡．
<gadget id="calculator">1 / 10_000</gadget>
<output>1/10_000 = around 0.0001</output>

<gadget id="calculator">3 / (1/10_000) / 100</gadget>
<output>300</output>

<gadget id="calculator">2 / (1/10_000) / 100</gadget>
<output>200</output>

<gadget id="calculator">300 * 200</gadget>
<output>60_000</output>

<result>60_000</result>