A cylinder and a cone have equal bases and equal volumes. The sum of their heights is 72 cm, what is the height of the cylinder in cm
一个圆柱和一个圆锥等底等体积．它们的高之和是72厘米，圆柱的高是多少厘米
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">72 / 4</gadget>
<output>18</output>

<result>18</result>