10 people form a circle and choose 3 people from them. It is required that exactly 2 of these 3 people are adjacent to each other. How many different ways are there to choose?
10个人围成一圈，从中选出3个人．要求这3个人中恰有2人相邻，一共有多少种不同选法？
<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<result>60</result>