A cuboid and a cube are put together to form a large cuboid. The surface area of this large cuboid is 80 square meters larger than the original cuboid. What is the surface area of the original cube?
一个长方体和一个正方体拼成一个大长方体，这个大长方体比原来长方体的表面积增加了80平方米，原来正方体的表面积是多少平方米．
<gadget id="calculator">80 / 5</gadget>
<output>16</output>

<gadget id="calculator">16 * 6</gadget>
<output>96</output>

<result>96</result>