After the five referees scored a gymnast, the highest score and the lowest score were removed, and the average score was 9.85 points; only the highest score was removed, and the average score was 9.46 points; only the lowest score was removed, and the average score was 9.66 points. What is the difference between the athlete's highest and lowest scores?
五位裁判员给一名体操运动员评分后去掉一个最高分和一个最低分，平均得分9.85分；只去掉一个最高分，平均得分9.46分；只去掉一个最低分，平均得分9.66分．这名运动员的最高分与最低分相差多少分？
<gadget id="calculator">9.66 * 4</gadget>
<output>38.64</output>

<gadget id="calculator">9.85 * 3</gadget>
<output>29.55</output>

<gadget id="calculator">38.64 - 29.55</gadget>
<output>9.09</output>

<gadget id="calculator">9.46 * 4</gadget>
<output>37.84</output>

<gadget id="calculator">37.84 - 29.55</gadget>
<output>8.29</output>

<gadget id="calculator">9.09 - 8.29</gadget>
<output>0.8</output>

<result>0.8</result>