If the height of a cuboid is truncated by 6 centimeters, the surface area will be reduced by 120 square centimeters, and the remaining part is exactly a cube. What is the volume of the original cuboid in cubic centimeters?
一个长方体的高截去6厘米，表面积就减少120平方厘米，剩下的部分正好是一个正方体．原来长方体的体积是多少立方厘米？
<gadget id="calculator">120 / 4 / 6</gadget>
<output>5</output>

<gadget id="calculator">5 + 6</gadget>
<output>11</output>

<gadget id="calculator">5 * 5 * 11</gadget>
<output>275</output>

<result>275</result>