A log with a length of 3 meters is cut into three pieces, and the surface area is increased by 48 cm. What is the original volume of the log in cubic centimeters?
一根长3米的圆木，截成三段，表面积增加48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">3 * 100</gadget>
<output>300</output>

<gadget id="calculator">12 * 300</gadget>
<output>3_600</output>

<result>3_600</result>