If the length of a cuboid is reduced by 5 cm, it becomes a cube. The surface area of the cube is reduced by 60 cm2 from the surface area of the original cuboid. What is the volume of the original cuboid?
将一个长方体的长减少5厘米，变成正方体，正方体表面积比原来长方体表面积减少了60平方厘米，原来长方体的体积是多少？
<gadget id="calculator">60 / 4 / 5</gadget>
<output>3</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">3 * 3 * 8</gadget>
<output>72</output>

<result>72</result>