A cylinder and a cone have the same base and height, the sum of their volumes is 196 cubic decimeters, how much cubic decimeters the volume of the cone is less than the volume of the cylinder.
一个圆柱和一个圆锥等底等高，它们的体积和是196立方分米，圆锥体积比圆柱体积少多少立方分米．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">196 / 4</gadget>
<output>49</output>

<gadget id="calculator">196 - 49</gadget>
<output>147</output>

<gadget id="calculator">147 - 49</gadget>
<output>98</output>

<result>98</result>