It is known that the height of the cylinder is equal to the radius of the bottom circle, and the side area of the cylinder is 50.12 square centimeters, then, what is the surface area of the cylinder equal to how many square centimeters.
已知圆柱体的高与底面圆的半径相等，又知圆柱的侧面积为50.12平方厘米，那么，圆柱的表面积等于多少平方厘米．
<gadget id="calculator">3.14 * 8</gadget>
<output>25.12</output>

<gadget id="calculator">25.12 * 2</gadget>
<output>50.24</output>

<gadget id="calculator">50.24 + 50.24</gadget>
<output>100.48</output>

<result>100.48</result>