A piece of land is 600 meters long and 200 meters wide, how many hectares does this land have
一块地长600米，宽200米，这块地有多少公顷
<gadget id="calculator">1 * 10_000</gadget>
<output>10_000</output>

<gadget id="calculator">600 / 10_000</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">200 * (3/50)</gadget>
<output>12</output>

<result>12</result>