The base of a cuboid is a square with a perimeter of 16 decimeters and a surface area of 128 square decimeters. What is the volume of this cuboid?
一个长方体的底面是一个周长为16分米的正方形，它的表面积是128平方分米．这个长方体的体积是多少？
<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">128 / 16</gadget>
<output>8</output>

<gadget id="calculator">4 * 4 * 8</gadget>
<output>128</output>

<result>128</result>