cylindrical iron block with a height of 6 decimeters is put into a melting furnace to be fired into a cylinder and a cone with constant bottom area. It is known that the height of the finished cylinder is 4 decimeters, how many decimeters is the height of the finished cone?
将一高6分米的圆柱铁块放入溶炉中烧制成底面积不变的圆柱体和圆锥体各一个．已知制成后的圆柱高4分米，那么制成后的圆锥高多少分米？
<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / (1/3)</gadget>
<output>6</output>

<result>6</result>