A log with a length of 2 meters is cut into two pieces, 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，截成两段后，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 / 2</gadget>
<output>24</output>

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

<gadget id="calculator">24 * 200</gadget>
<output>4_800</output>

<result>4_800</result>