If the sum of the lengths of each side of a cuboid is 48 cm, and its length is twice its width, and its height is equal to its width, what is the volume of this cuboid in cubic centimeters?
一个长方体的各条棱长的和是48厘米，并且，它的长是宽的2倍，高与宽相等，那么这个长方体的体积是多少立方厘米．
<gadget id="calculator">48 / 16</gadget>
<output>3</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">3 * 3 * 6</gadget>
<output>54</output>

<result>54</result>