The sum of the volumes of a cylinder and a cone with the same base and height is 120cm**3, what is the volume of the cylinder in cm**3.
等底等高的圆柱和圆锥体积之和是120cm**3，圆柱的体积是多少cm**3．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 * (3/4)</gadget>
<output>90</output>

<result>90</result>