If a 1-meter-long piece of wood is sawn into 3 sections, the surface area is increased by 0.36 square decimeters, what is the volume of the piece of wood?
把一根1米长的木头锯成3段，表面积比原来增加0.36平方分米，这根木头的体积是多少．
<gadget id="calculator">0.36 / 4</gadget>
<output>0.09</output>

<gadget id="calculator">0.09 * 1 * 10</gadget>
<output>0.9</output>

<result>0.9</result>