A rectangle with a length of 4 cm and a width of 3 cm, what figure will be obtained after rotating it around the width as the axis, and what is the surface area of this figure?
一个长方形长4厘米，宽3厘米，以宽为轴旋转一周后得到一个什么图形，这个图形的表面积是多少？
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">2 * 3.14 * 16</gadget>
<output>100.48</output>

<gadget id="calculator">2 * 3.14 * 4 * 3</gadget>
<output>75.36</output>

<gadget id="calculator">100.48 + 75.36</gadget>
<output>175.84</output>

<result>175.84</result>