A rectangular wood with a square cross section has a surface area of 144 square centimeters. According to the next largest cube, the surface area becomes 80 square centimeters. Find the volume of the original cuboid.
一个横截面为正方方形的长方形木料，表面积为144平方厘米，据下一个最大的正方体后，表面积变成了80平方厘米，求原来长方体的体积．
<gadget id="calculator">144 - 80</gadget>
<output>64</output>

<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">16 * 7</gadget>
<output>112</output>

<result>112</result>