The swimming pool is 50 meters long and 25 meters wide. How many such swimming pools have an area of about 1 hectare.
游泳池长50米，宽25米，多少个这样的游泳池面积约1公顷．
<gadget id="calculator">50 * 25</gadget>
<output>1_250</output>

<gadget id="calculator">10_000 / 1_250</gadget>
<output>8</output>

<gadget id="calculator">1 * 8</gadget>
<output>8</output>

<result>8</result>