A cuboid cistern is 4 meters long, 3 meters wide, and 2 meters deep. What is its floor area in square meters?
一个长方体蓄水池，长4米，宽3米，深2米，它的占地面积是多少平方米
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<result>12</result>