If a cube with an edge length of 5 decimeters is cut into the largest cylinder, what is the volume of the cut part in cubic decimeters?
把一个棱长5分米的正方体削成一个最大的圆柱体，削去部分的体积是多少立方分米．
<gadget id="calculator">5 * 5 * 5</gadget>
<output>125</output>

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) ** 2</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">3.14 * (25/4) * 5</gadget>
<output>98.125</output>

<gadget id="calculator">125 - 98.125</gadget>
<output>26.875</output>

<result>26.875</result>