Cut a cubic steel tower with an edge length of 10 decimeters into the largest cylinder, what is the volume of this cylinder in cubic decimeters?
把一个棱长是10分米的立方体钢柸切成一个最大的圆柱，这个圆柱的体积是多少立方分米．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3.14 * 25 * 10</gadget>
<output>785</output>

<result>785</result>