On a drawing with a scale of 1:10000, the length of a rectangular grassland is 3 cm and the width is 2 cm. What is the actual area of the grassland in hectares?
在一张比例尺是1：10000的图纸上，量得一块长方形草地的长是3厘米，宽是2厘米，这块草地的实际面积是多少公顷．
<gadget id="calculator">1 / 10_000</gadget>
<output>1/10_000 = around 0.0001</output>

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

<gadget id="calculator">3 / (1/10_000) / 100 / 10_000</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">200 * (3/100)</gadget>
<output>6</output>

<result>6</result>