A cuboid wood with a square bottom and side length of the bottom is 8cm, after sawing off a section, the surface area is reduced by 128cm**2. What is the volume in cubic centimeters of the sawn piece of wood?
一个底面是正方形的长方体木料，底面边长是8cm，锯下一段后，表面积减少了128cm**2．锯下的这段木料的体积是多少立方厘米？
<gadget id="calculator">128 / 4 / 8</gadget>
<output>4</output>

<gadget id="calculator">8 * 8 * 4</gadget>
<output>256</output>

<result>256</result>