After a 2-meter-long square log is sawn into four pieces, the surface area increases by 96 square decimeters. What is the volume of this square log in cubic decimeters?
2米长的方木锯成四段后，表面积增加了96平方分米，这根方木的体积是多少立方分米．
<gadget id="calculator">96 / 6</gadget>
<output>16</output>

<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">16 * 20</gadget>
<output>320</output>

<result>320</result>