The sum of the volumes of the cylinder and the cone with the same base and height is 72dm**3, what is the volume of this cylinder dm**3.
等底等高的圆柱和圆锥体积的和是72dm**3，这个圆柱的体积是多少dm**3．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">72 * (3/4)</gadget>
<output>54</output>

<result>54</result>