A cylinder and a cone have the same base and height, and their volumes differ by 28 cubic centimeters, what is the volume of the cylinder in cubic centimeters?
一个圆柱和一个圆锥等底等高，它们的体积相差28立方厘米，那么圆柱的体积是多少立方厘米．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">28 / 2</gadget>
<output>14</output>

<gadget id="calculator">14 * 3</gadget>
<output>42</output>

<result>42</result>