If a 3-meter-long cuboid is sawn into three 1-meter-long pieces, the surface area increases by 6 square decimeters, what is the volume of the original wood?
将一个长3米的长方体木料锯成1米长的三段，表面积增加了6平方分米，则原来木料的体积是多少．
<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) * 3 * 10</gadget>
<output>45</output>

<result>45</result>