Cut a 24 cm long cuboid into three small cuboids of equal size, the surface area increases by 12 cm2, what is the volume of the original cuboid?
把一个长24厘米的长方体截成大小相等的三个小长方体，表面积增加了12平方厘米，原长方体的体积是多少？
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">3 * 24</gadget>
<output>72</output>

<result>72</result>