If a 1m long piece of wood is sawed into 3 sections (each section is still a cylinder), the surface area increases by 28.36dm**2, what is the volume of this piece of wood in cubic meters?
把一根1m长的木料锯成3段(每段仍是圆柱体)，表面积增加了28.36dm**2，这根木料的体积是多少立方米？
<gadget id="calculator">0.0709 * 1</gadget>
<output>0.0709</output>

<result>0.0709</result>