The yurt consists of a cylinder and a cone. The diameter of the base of the cylinder is 6 meters, and the height of the cone is 2 meters; the height of the cone is 1 meter. How many cubic meters is the space occupied by the yurt?
蒙古包由一个圆柱和一个圆锥组成．圆柱的底面直径是6米，高中2米；圆锥的高是1米．蒙古包所占的空是大约是多少立方米？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">3.14 * 9 * 2</gadget>
<output>56.52</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3.14 * 9 * (1/3)</gadget>
<output>9.42</output>

<gadget id="calculator">56.52 + 9.42</gadget>
<output>65.94</output>

<result>65.94</result>