It is known that the volume of a cylinder is 20% less than that of a cone, and the area of the base of the cone is three times the area of the base of the cylinder, how much is the height of the cone higher than the cylinder
已知一个圆柱体积比一个圆锥的体积少20%，且圆锥底面积是圆柱底面积的3倍，那么圆锥高比圆柱高多多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(1/5) / (4/5)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/4) * 1</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>