A football team has participated in 11 league games. A win is awarded 3 points, a draw is awarded 1 point, and a loss is awarded 0 points. , How many games did the team tie?
某足球队共参加了11场联赛，胜一场记3分，平一场记1分，负一场记0分，该队所负场数是所胜场数的(1/2)，结果共得20分，求该队共平几场？
<gadget id="calculator">20 - 11</gadget>
<output>9</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 - 1 - (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">9 / (3/2)</gadget>
<output>6</output>

<gadget id="calculator">6 * (1/2)</gadget>
<output>3</output>

<gadget id="calculator">11 - 6 - 3</gadget>
<output>2</output>

<result>2</result>