A cylinder has a base circumference of 18.84 cm and a height of 10 cm. What is the surface area in cm?
一个圆柱体，底面周长18.84厘米，高10厘米，表面积是多少厘米？
<gadget id="calculator">18.84 * 4</gadget>
<output>75.36</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100 * 2</gadget>
<output>628</output>

<gadget id="calculator">75.36 + 628</gadget>
<output>703.36</output>

<result>703.36</result>