A log with a length of 2 meters is cut into three cylinders of the same size, and the surface area increases by 48 square centimeters. What is the original volume of the log in cubic centimeters?
一根长2米的圆木，截成三个同样大小的圆柱后，表面积增加48平方厘米，这根圆木原来的体积是多少立方厘米．
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

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

<gadget id="calculator">12 * 200</gadget>
<output>2_400</output>

<result>2_400</result>