The volume of a cone is 4.2 cubic decimeters, the area of the base is 6 square decimeters, what is its height?
一个圆锥的体积是4.2立方分米，底面积是6平方分米，它的高是多少分米．
<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4.2 * (1/2)</gadget>
<output>2.1</output>

<result>2.1</result>