If a cylinder with a base diameter of 2 decimeters and a height of 3 decimeters is cut into the largest cone, what is the volume of the cone in cubic decimeters?
把一个底面直径是2分米，高是3分米的圆柱体削成一个最大的圆锥体，则圆锥的体积是多少立方分米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

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

<result>3.14</result>