A cylindrical piece of wood is 6 meters long. After cutting it into 3 equal sections, the surface area increases by 28.26 square centimeters. What is the volume of this log in cubic centimeters?
一根圆柱形木材长6米，把它截成相等的3段后，表面积增加了28.26平方厘米．原来这根圆木的体积是多少立方厘米．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

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

<gadget id="calculator">28.26 / 4</gadget>
<output>7.065</output>

<gadget id="calculator">6 * 100</gadget>
<output>600</output>

<gadget id="calculator">7.065 * 600</gadget>
<output>4_239</output>

<result>4_239</result>