Use a compass to draw a circle. If the circumference of the drawn circle is 37.68 centimeters, what is the distance between the two feet of the compass in centimeters?
用圆规画圆，如果要求画出的圆周长是37.68厘米，那么圆规两脚间的距离应为多少厘米．
<gadget id="calculator">37.68 / 3.14 / 2</gadget>
<output>6</output>

<result>6</result>