The perimeter of a square fish pond is 2400 meters, how many hectares does the fish pond cover?
一个正方形鱼池的周长是2400米，这个鱼池的占地面积是多少公顷？
<gadget id="calculator">2_400 / 4</gadget>
<output>600</output>

<gadget id="calculator">2_400 / 4 / 10_000</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">600 * (3/50)</gadget>
<output>36</output>

<result>36</result>