A cylindrical iron rod with a length of 10 decimeters is sawed into three sections (each section is still a cylinder), and the surface area is increased by 0.36 square decimeters compared to the original one. What is the volume of this cylindrical rod in cubic decimeters?
把一根长10分米的圆柱形铁棒锯成三段(每段仍是圆柱体)，表面积比原来增加了0.36平方分米，这根圆柱形棒的体积是多少立方分米．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">0.36 / 4</gadget>
<output>0.09</output>

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

<result>0.9</result>