If the area of the base of a cone is 12 square centimeters, what is the area of the base of a cylinder of the same height and volume as it is in square centimeters?
一个圆锥的底面积是12平方厘米，与它等高等体积的圆柱的底面积是多少平方厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<result>4</result>