If the volume of a cylinder is 6 cubic meters, what is the sum of the volumes of the cylinder and its cone with the same base and height?
一个圆柱的体积是6立方米，这个圆柱与它等底等高的圆锥体积之和是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 * (1/3)</gadget>
<output>2</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<result>8</result>