The volume of a cube is 300 cubic centimeters. If a largest cone is dug inside it, what is the volume of this cone?
一个正方体的体积是300立方厘米，在它里面挖一个最大的圆锥，这个圆锥的体积是多少立方厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">300 * (1/3) * (1/4) * 3.14</gadget>
<output>78.5</output>

<result>78.5</result>