In one competition, a total of 5 judges participated in the scoring. Ding Haha’s score is as follows: if the highest score and the lowest score are removed, the average score is 9.58 points; if the highest score is removed, the average score is 9.4 points; if the lowest score is removed , the average score is 9.66 points. If all 5 points are kept as an average, how many points should he get?
一次比赛，共5名评委参加评分，选手丁哈哈得分情况是：如果去掉一个最高分和一个最低分，平均分是9.58分；如果去掉一个最高分，平均分是9.4分；如果去掉一个最低分，平均分是9.66分．如果5个分都保留算平均分，他应该得多少分？
<gadget id="calculator">9.58 * 3</gadget>
<output>28.74</output>

<gadget id="calculator">9.66 * 4</gadget>
<output>38.64</output>

<gadget id="calculator">38.64 - 28.74</gadget>
<output>9.9</output>

<gadget id="calculator">9.4 * 4</gadget>
<output>37.6</output>

<gadget id="calculator">37.6 - 28.74</gadget>
<output>8.86</output>

<gadget id="calculator">28.74 + 9.9 + 8.86</gadget>
<output>47.5</output>

<gadget id="calculator">47.5 / 5</gadget>
<output>9.5</output>

<result>9.5</result>