cone and a cylinder have the same base and height, and the difference between their volumes is 80 cubic centimeters. What is the volume of the cylinder in cubic centimeters?
一个圆锥与一个圆柱等底等高，它们体积之差为80立方厘米，圆柱的体积是多少立方厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">80 / (2/3)</gadget>
<output>120</output>

<result>120</result>