A conical plumb bob has a base area of 6.28 square centimeters and a volume of 6.28 cubic centimeters. What is its height in centimeters?
一个圆锥体铅锤，底面积是6.28平方厘米，体积是6.28立方厘米，它的高是多少厘米．
<gadget id="calculator">3 / 6.28</gadget>
<output>0.477707</output>

<gadget id="calculator">6.28 * 0.477707</gadget>
<output>3</output>

<result>3</result>