If a 2-meter-long cylindrical wooden stick is sawn into three small cylinders, the surface area increases by 6dm**2, what is the original volume of the wooden stick dm**3.
把2米长的圆柱形木棒锯成三段小圆柱，表面积增加了6dm**2，原来木棒的体积是多少dm**3．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

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

<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) * 2 * 10</gadget>
<output>30</output>

<result>30</result>