If a cylinder with a base radius of 5 decimeters and a height of 6 decimeters is processed into the largest cone, what is the volume of the cone in cubic decimeters?
把一个底面半径5分米，高6分米的圆柱体加工成一个最大的圆锥体，这个圆锥体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">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 6</gadget>
<output>157</output>

<result>157</result>