If the lateral area of a cylinder is s square decimeters and the diameter of the base is 2 decimeters, what is its volume in cubic decimeters?
一个圆柱的侧面积是s平方分米，底面直径是2分米，它的体积是多少立方分米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>