Increase the height of a cube by 2cm to get a cuboid whose surface area is increased by 96cm_{}**2 compared with the surface area of the original cube. What is the surface area of the original cube in cm**2?
将一个正方体的高增加2cm，得到一个长方体，它的表面积比原来正方体表面积增加96cm_{}**2，原正方体表面积是多少cm**2．
<gadget id="calculator">96 / 4 / 2</gadget>
<output>12</output>

<gadget id="calculator">12 * 12 * 6</gadget>
<output>864</output>

<result>864</result>