If a 6 decimeter long cuboid wood is sawed into 3 sections, its surface area increases by 3.6 square decimeters, what is the original volume of this wood in cubic decimeters
把一根长6分米的长方体木料锯成3段，它的表面积增加了3.6平方分米，则原来这根木料的体积是多少立方分米
<gadget id="calculator">3.6 / 4</gadget>
<output>0.9</output>

<gadget id="calculator">0.9 * 6</gadget>
<output>5.4</output>

<result>5.4</result>