If a cylinder is cut into a maximum cone, the volume of the cut part is 10 cubic centimeters, what is the volume of the cylinder?
把一个圆柱削成一个最大圆锥，削去部分的体积是10立方厘米，这个圆柱的体积是多少．
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">10 / (2/3)</gadget>
<output>15</output>

<result>15</result>