The radius of the base of a cone is 10 decimeters and the height is 12 decimeters. What is the volume of the cone in cubic decimeters?
一个圆锥的底面半径是10分米，高是12分米，这个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">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">(1/3) * 3.14 * 100 * 12</gadget>
<output>1_256</output>

<result>1_256</result>