A cylinder has a base radius of 8 cm and a height of 16 cm, what is its lateral area in square centimeters?
一个圆柱的底面半径是8厘米，高是16厘米，它的侧面积是多少平方厘米．
<gadget id="calculator">3.14 * 8 * 2 * 16</gadget>
<output>803.84</output>

<result>803.84</result>