A cylinder has a base radius of 2 cm and a height of 6 cm, what is its lateral area in square centimeters?
一个圆柱体，底面半径是2厘米，高是6厘米，它的侧面积是多少平方厘米．
<gadget id="calculator">2 * 3.14 * 2 * 6</gadget>
<output>75.36</output>

<result>75.36</result>