Five judges give a score to a singer. If the highest score and the lowest score are removed, the average score is 9.44; if only the highest score is removed, the average score is 9.36; if only the lowest score is removed, the average score is 9.54 ． How much is the difference between the highest score and the lowest score among the five judges?
五名评委给一名歌唱演员评分，如果去掉一个最高分和一个最低分，平均分是9.44分；如果只去掉一个最高分，平均分是9.36；如果只去掉一个最低分，平均分是9.54分．五个评委的打分，最高分与最低分相差多少分？
<gadget id="calculator">9.54 * 4</gadget>
<output>38.16</output>

<gadget id="calculator">9.44 * 3</gadget>
<output>28.32</output>

<gadget id="calculator">38.16 - 28.32</gadget>
<output>9.84</output>

<gadget id="calculator">9.36 * 4</gadget>
<output>37.44</output>

<gadget id="calculator">37.44 - 28.32</gadget>
<output>9.12</output>

<gadget id="calculator">9.84 - 9.12</gadget>
<output>0.72</output>

<result>0.72</result>