Five referees score a diver. If the highest score is removed, the average score will be 9 points; if the lowest score is removed, the average score will be 9.3 points. What is the difference between the highest score and the lowest score
五名裁判员给一名跳水运动员打分，如果去掉一个最高分，平均得9分；如果去掉一个最低分，平均得9.3分．最高分与最低分相差多少分
<gadget id="calculator">9.3 * 4</gadget>
<output>37.2</output>

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

<gadget id="calculator">37.2 - 36</gadget>
<output>1.2</output>

<result>1.2</result>