Six people play a Chinese chess round-robin match. The winner of each game gets 2 points, the loser gets 0 points, and the draw gets 1 point. What is the total score of everyone after the end?
六个人进行中国象棋双循环赛，每局胜者得2分，负者得0分，战平各得1分，结束后所有人总分是多少分？
<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">2 * 15</gadget>
<output>30</output>

<result>30</result>