A cuboid fish pond is 50m long, 20m wide, and 2m deep. What is the floor area of this fish pond in m**2.
一个长方体养鱼池的长50m，宽20m，深2m．这个养鱼池占地面积是多少m**2．
<gadget id="calculator">50 * 20</gadget>
<output>1_000</output>

<result>1_000</result>