A cylindrical pool has a bottom diameter of 6 meters and a pool depth of 4 meters. If cement is applied to the bottom and surroundings of the pool, how many square meters is the cement-coated area?
一个圆柱形水池底面直径6米，池深4米，如果在水池的底面和四周涂上水泥，涂水泥的面积有多少平方米？
<gadget id="calculator">3.14 * 6 * 4</gadget>
<output>75.36</output>

<gadget id="calculator">6 / 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">75.36 + 28.26</gadget>
<output>103.62</output>

<result>103.62</result>