Five referees score a gymnast, remove the highest score, the average score is 9 points; remove the lowest score, the average score is 9.2 points. What is the difference between the highest score and the lowest score.
5名裁判员给一名体操运动员打分，去掉一个最高分，平均得分9分；去掉一个最低分，平均得分9.2分．最高分与最低分相差多少分．
<gadget id="calculator">9.2 * 4</gadget>
<output>36.8</output>

<gadget id="calculator">9 * 4</gadget>
<output>36</output>

<gadget id="calculator">36.8 - 36</gadget>
<output>0.8</output>

<result>0.8</result>