A cuboid has a square base, its base area is 8 square decimeters, and its sides are exactly a square. What is the surface area of this cuboid?
一个长方体，底面是正方形，它的底面积是8平方分米，侧面展开正好是一个正方形，这个长方体的表面积是多少平方分米．
<gadget id="calculator">8 * 16</gadget>
<output>128</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">128 + 16</gadget>
<output>144</output>

<result>144</result>