cone and a cylinder have the same base area and volume respectively. The height of the cylinder is 1.2 decimeters. What is the height of the cone?
一个圆锥体和一个圆柱体的底面积和体积都分别相等，圆柱体的高1.2分米，圆锥体的高是多少．
<gadget id="calculator">1.2 / 1</gadget>
<output>1.2</output>

<gadget id="calculator">3 * 1 * 1.2</gadget>
<output>3.6</output>

<result>3.6</result>