The area of the base of a cone is 4 cm, the volume is 12 cubic cm, what is the height in cm
一个圆锥的底面积是4厘米，体积是12立方厘米，高是多少厘米
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 / (1/3) / 4</gadget>
<output>9</output>

<result>9</result>