After shaving off 180cm**3 from a cylindrical wooden block, the largest cone is obtained. What is the volume of the cone in cm**3?
把一个圆柱木块削去180cm**3后，得到一个最大的圆锥体，圆锥的体积是多少cm**3．
<gadget id="calculator">180 / 2</gadget>
<output>90</output>

<result>90</result>