If a 2-meter-long cylinder of wood is cut into 3 sections, the surface area increases by 120 square centimeters. What is the original volume of the wood in cubic centimeters?
把一个长2米的圆柱木料截成3段，表面积增加了120平方厘米，原来木料的体积是多少立方厘米．
<gadget id="calculator">120 / 4</gadget>
<output>30</output>

<gadget id="calculator">2 * 100</gadget>
<output>200</output>

<gadget id="calculator">30 * 200</gadget>
<output>6_000</output>

<result>6_000</result>