In softball, you get 3 points for a win, 1 point for a tie, and no points for a loss. Each team has 4 games against other teams. At this time, the total points of the four participating teams are: Team A has 22 points, Team B has 19 points, Team C has 14 points, and Team D has 12 points. So how many games are draws.
在垒球比赛中，若赢1场得3分，平1场得1分，输一场不得分．每个队都与其他队交锋4场，这时四个参赛队的总积分为：A队22分，B对19分，C对14分，D队12分．那么有多少场比赛为平局．
<gadget id="calculator">3 * 24</gadget>
<output>72</output>

<gadget id="calculator">72 - 22 - 19 - 14 - 12</gadget>
<output>5</output>

<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<result>5</result>