If the sum of the volumes of a cylinder and a cone with the same base and height is 100 cubic decimeters, what is the volume of the cylinder?
一个圆柱体和一个与它等底等高的圆锥体的体积和是100立方分米，这个圆柱体的体积是多少立方分米．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">100 / 4</gadget>
<output>25</output>

<gadget id="calculator">25 * 3</gadget>
<output>75</output>

<result>75</result>