A cube of iron with a side length of 3 decimeters is melted into a cone with a base area of 9 square decimeters. What is the height of the cone?
把一个棱长是3分米的正方体铁块熔成一个底面积为9平方分米的圆锥体，这个圆锥体的高是多少分米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 / (1/3) / 9</gadget>
<output>1</output>

<gadget id="calculator">3 * 3 * 1</gadget>
<output>9</output>

<result>9</result>