After sawing a piece of wood with a length of 3 meters into three pieces, the sum of the surface area increases by 16 square centimeters compared to the original one. What is the original volume of this piece of wood in cubic centimeters?
一根长3米的木料锯成三段后，表面积之和比原来增加了16平方厘米，这根木料原来的体积是多少立方厘米．
<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">3 * 100</gadget>
<output>300</output>

<gadget id="calculator">4 * 300</gadget>
<output>1_200</output>

<result>1_200</result>