Make a cylindrical tin bucket without a cover, the diameter of the bottom surface is 3 decimeters, and the height is 6 decimeters. What is the lateral area?
做一个无盖的圆柱形铁皮水桶，底面直径为3分米，高为6分米，侧面积是多少？
<gadget id="calculator">3.14 * 3 * 6</gadget>
<output>56.52</output>

<result>56.52</result>