The circumference of the bottom area of a cylindrical bucket without a lid is 18.84 decimeters and the height is 5 decimeters. What is the surface area of the bucket? (π takes 3.14)
一个圆柱形无盖水桶的底面积周长是18.84分米，高5分米，这个水桶的表面积是多少？(π取3.14)
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>

<gadget id="calculator">18.84 * 5</gadget>
<output>94.2</output>

<gadget id="calculator">28.26 + 94.2</gadget>
<output>122.46</output>

<result>122.46</result>