cylinder and a cone have the same base and height, the sum of their volumes is 388 cubic decimeters, the volume of the cone is less than the volume of the cylinder by how many cubic decimeters.
一个圆柱体和一个圆锥体等底等高，它们的体积和是388立方分米，圆锥的体积比圆柱的体积少多少立方分米．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">388 / 4</gadget>
<output>97</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">97 * 2</gadget>
<output>194</output>

<result>194</result>