If a cube with a volume of 84 cubic centimeters is cut into the largest cylinder, what is the volume of the cylinder?
把一个体积是84立方厘米的正方体削成最大的圆柱，圆柱体的体积是多少？
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 1</gadget>
<output>1</output>

<gadget id="calculator">84 * 3.14 * 1 * 1 * (1/4) * 1 * 1 * 1 * 1 * 1</gadget>
<output>65.94</output>

<result>65.94</result>