The diameter of the base of a cylinder is 6 cm and the height is 5 cm, what is its lateral area in square centimeters?
一个圆柱底面直径是6厘米，高是5厘米，它的侧面积是多少平方厘米．
<gadget id="calculator">3.14 * 6 * 5</gadget>
<output>94.2</output>

<result>94.2</result>