During class break, students form a circle to play games on the playground. The teacher stands at the center point. The circumference of the circle formed by the students is 18.84 meters. How many meters is the distance between each classmate and the teacher?
课间同学们在操场上围成一个圆做游戏，老师站在中心点，同学们围成圆的周长是18.84米．每个同学和老师之间的距离是多少米？
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">18.84 / 6.28</gadget>
<output>3</output>

<result>3</result>