The circumference of the base of a cylinder is 6.28 decimeters and the height is 1.2 decimeters. What is the volume of the cone with the same height as the base?
一个圆柱的底面周长是6.28分米，高是1.2分米，与他等底等高的圆锥的体积是多少．
<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 1 * 1.2</gadget>
<output>1.256</output>

<result>1.256</result>