6 children are playing games on the playground. They were divided into 3 groups by the teacher, with 2 people in each group. May I ask: What is the probability that Zhao Qian and Sun Li are in the same group?
6名小朋友在操场上做游戏．他们被老师分成3组，每组2个人．请问：赵倩和孙莉恰好分到了同一组的概率是多少？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

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

<gadget id="calculator">6 * (5/2)</gadget>
<output>15</output>

<gadget id="calculator">3 / 15</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>