cube with side length of 1.5 meters without a cover is placed on the ground, how many square meters does this water tank occupy?
一个棱长是1.5米正方体无盖水箱放在地上，这只水箱占地多少平方米．
<gadget id="calculator">1.5 * 1.5</gadget>
<output>2.25</output>

<result>2.25</result>