The base of a cuboid is a square with an area of 100 square centimeters, and its side view is exactly a square. What is the surface area of this cuboid in square centimeters?
一个长方体的底面是面积为100平方厘米的正方形，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厘米．
<gadget id="calculator">100 * 2</gadget>
<output>200</output>

<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">40 * 40</gadget>
<output>1_600</output>

<gadget id="calculator">200 + 1_600</gadget>
<output>1_800</output>

<result>1_800</result>