A cuboid is 6 meters long, 5 meters wide, and 4 meters high. What is the area in square meters placed on the ground?
一个长方体，长6米，宽5米，高4米，放在地面上的占地面积是多少平方米．
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<result>30</result>