After Xiaomi cuts off the largest cube from one end of a cuboid, the remaining part of the cuboid is 8 cm long, the width and height are the same as the original, and the surface area is reduced by 144 cm2. What is the volume of the original cuboid?
小米从一个长方体的一端截下一个最大的正方体后，长方体剩余部分长8厘米，宽和高与原来相同，表面积减少了144平方厘米，原来长方体的体积是多少？
<gadget id="calculator">6 + 8</gadget>
<output>14</output>

<gadget id="calculator">14 * 6 * 6</gadget>
<output>504</output>

<result>504</result>