The volume of a cone is 12 cubic centimeters and the area of the base is 4 square centimeters. What is the height of the cone in centimeters?
一个圆锥的体积是12立方厘米，底面积是4平方厘米，这个圆锥的高是多少厘米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 * (3/4)</gadget>
<output>9</output>

<result>9</result>