If a cylindrical piece of wood with a length of 2 meters is sawn into three pieces of equal length, the surface area is increased by 420 square centimeters, what is the volume of this piece of wood in cubic centimeters?
把一根长2米的圆柱形木料锯成相等长度的三段，表面积增加了420平方厘米，这根木料的体积是多少立方厘米．
<gadget id="calculator">420 / 4</gadget>
<output>105</output>

<gadget id="calculator">100 / 10</gadget>
<output>10</output>

<gadget id="calculator">105 * 2 * 10</gadget>
<output>2_100</output>

<result>2_100</result>