A 2-meter-long cylindrical wooden bar is sawn into three average sections, and the surface area increases by 12 square decimeters. What is the volume of each section of this cylindrical wooden bar in cubic meters?
把一根2米长的圆柱形木条平均锯成三段，表面积增加了12平方分米，这根圆柱形木条每段的体积是多少立方米．
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/100) * (2/3)</gadget>
<output>1/50 = around 0.02</output>

<result>1/50 = around 0.02</result>