The difference between the volumes of a cylinder and a cone with the same base and height is 40cm**3. What is the volume of the cylinder?
等底等高的圆柱和圆锥的体积之差是40cm**3，圆柱的体积是多少．
<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">40 / (2/3)</gadget>
<output>60</output>

<result>60</result>