A cone and a cylinder have the same base area and volume respectively. Given that the height of the cone is 15dm, what is the height of the cylinder in dm?
一个圆锥和一个圆柱的底面积和体积都分别相等．已知圆锥的高是15dm，则圆柱的高是多少dm．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 * (1/3)</gadget>
<output>5</output>

<result>5</result>