A cuboid pool has a bottom 20dm long and 10dm wide. How many liters of water are needed to fill this pool with water at a height of 5 dm?
一个长方体水池，底面长20dm，宽10dm．如果要向这个池子里注入5dm高的水，需要多少升水？
<gadget id="calculator">20 * 10 * 5</gadget>
<output>1_000</output>

<result>1_000</result>