A cuboid log with a length of 9 decimeters is sawn into 3 sections, and its surface area increases by 4.8 decimeters, what is the volume of the original log in cubic decimeters?
一根长9分米的长方体木料，锯成3段，它的表面积增加了4.8平方分米，则原来这根木料的体积是多少立方分米．
<gadget id="calculator">4.8 / 4</gadget>
<output>1.2</output>

<gadget id="calculator">9 * 1.2</gadget>
<output>10.8</output>

<result>10.8</result>