If a cylinder with a volume of 186m**3 is cut into the largest cone, what is the volume of the cut part in meters**3.
把一个体积是186米**3的圆柱削成一个最大的圆锥，则削去部分的体积是多少米**3．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">186 * (2/3)</gadget>
<output>124</output>

<result>124</result>