A cylindrical cistern has a bottom diameter of 6m and a depth of 2m. Ceramic tiles are pasted on the bottom and wall of the pool. What is the area of the tiled part in square meters?
一个圆柱形蓄水池，底面直径6m，深2m，在池底和池壁贴上瓷砖，贴瓷砖部分的面积是多少平方米？
<gadget id="calculator">3.14 * 6 * 2</gadget>
<output>37.68</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">37.68 + 28.26</gadget>
<output>65.94</output>

<result>65.94</result>