The base of a cuboid is a square with a perimeter of 8 decimeters, and the sides are also a square. What is the volume of this cuboid?
一个长方体的底面是周长为8分米的正方形，侧面展开也是一个正方形，这个长方体的体积是多少立方分米？
<gadget id="calculator">8 / 4</gadget>
<output>2</output>

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

<result>32</result>