A cylinder whose lateral expansion is a square with a side length of 62.8 cm, what is the surface area of this cylinder in square centimeters?
一个圆柱形，侧面展开是一个边长为62.8厘米的正方形，这个圆柱形的表面积是多少平方厘米？
<gadget id="calculator">62.8 * 62.8</gadget>
<output>3_943.84</output>

<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100 * 2</gadget>
<output>628</output>

<gadget id="calculator">3_943.84 + 628</gadget>
<output>4_571.84</output>

<result>4_571.84</result>