After a square container with a side length of 10 decimeters is filled with water, it is poured into a conical container with a bottom area of 20 decimeters square. What is the height of this conical container?
一棱长是10分米的正方体容器装满水后，倒入一个底面积是20平方分米的圆锥形容器里正好装满，这个圆锥形容器的高是多少分米．
<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">10 * 10 * 10 * (3/20)</gadget>
<output>150</output>

<result>150</result>