If two identical cubes are used to form a cuboid, the surface area is reduced by 16 square centimeters, what is the surface area of each cube in square centimeters?
用2个完全一样的正方体拼成一个长方体，表面积减少16平方厘米，每个正方体的表面积是多少平方厘米．
<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<result>48</result>