There are 14 players participating in a table tennis match. During the competition, they are first divided into two groups, with 7 people in each group. Each group will play a single round-robin match (every 2 players will have 1 match), and then according to the points, the top 3 players in each group will have a single round-robin match with a total of 6 players to decide the champion, Runner-up, how many games will be played in total?
乒乓球比赛有14名选手参加．比赛时先分成两组，每组7人，各组进行单循环赛(每2人都要赛1场)，然后根据积分由各组的前3名共6人进行单循环比赛，决出冠、亚军，共需进行多少场比赛？
<gadget id="calculator">7 * 6</gadget>
<output>42</output>

<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">42 / 2</gadget>
<output>21</output>

<gadget id="calculator">21 * 2</gadget>
<output>42</output>

<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<gadget id="calculator">42 + 15</gadget>
<output>57</output>

<result>57</result>