The ratio of the radii of the bases of two cylinders is 2:3, the heights are equal, and the volume of the smaller cylinder is the volume of the larger cylinder
两个圆柱的底面半径比是2：3，高相等，小圆柱体积是大圆柱体积的多少
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>