The radius of the base of a cylinder is 4 decimeters, and the lateral area of the cylinder is 62.8 square decimeters. What is the surface area of the cylinder?
一个圆柱底面半径是4分米，圆柱侧面积是62.8平方分米，这个圆柱的表面积是多少？
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 2</gadget>
<output>100.48</output>

<gadget id="calculator">62.8 + 100.48</gadget>
<output>163.28</output>

<result>163.28</result>