The base of a cuboid is a square with an area of 4 square meters, and its side view is exactly a square. What is the surface area of this cuboid in square meters?
一个长方体的底是面积为4平方米的正方形，它的侧面展开图正好是一个正方形，这个长方体的表面积是多少平方米．
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">8 + 64</gadget>
<output>72</output>

<result>72</result>