A cylinder is cut along a diameter of the bottom surface to obtain a square section with a side length of 6 cm. What is the volume of the cylinder?
一个圆柱，沿底面的一条直径切开后，得到一个边长6厘米的正方形截面，这个圆柱的体积是多少．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 6</gadget>
<output>169.56</output>

<result>169.56</result>