It is necessary to paste an advertising picture on a can. The circumference of the bottom of the can is 18.84 cm and the height is 7 cm. What is the area of the advertising picture in square centimeters?
要给一个罐头贴上广告图，这个罐头底面周长18.84厘米，高7厘米，这个广告图的面积是多少平方厘米？
<gadget id="calculator">18.84 * 7</gadget>
<output>131.88</output>

<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 * 2</gadget>
<output>56.52</output>

<gadget id="calculator">131.88 + 56.52</gadget>
<output>188.4</output>

<result>188.4</result>