A cuboid iron box with a square bottom, if you unfold its sides, you will get exactly a square with a side length of 8 decimeters. What is the volume of the box.
一个底面是正方形的长方体铁箱，如果把他的侧面展开，正好得到一个边长是8分米的正方形．铁箱的容积是多少．
<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<gadget id="calculator">2 * 2 * 8</gadget>
<output>32</output>

<result>32</result>