7 judges give a score to a singer, the average score is 9.6 points, remove the highest score, the average score is 9.55 points, remove the lowest score, the average score is 9.7 points. If the lowest and highest scores are removed, what is the average score of the singer?
7位评委给一位歌唱演员打分，平均分是9.6分，去掉一个最高分，平均分是9.55分，去掉一个最低分，平均分是9.7分．如果最低分和最高分都去掉，这位歌唱演员平均分是多少分？
<gadget id="calculator">9.6 * 6</gadget>
<output>57.6</output>

<gadget id="calculator">9.55 * 5</gadget>
<output>47.75</output>

<gadget id="calculator">57.6 - 47.75</gadget>
<output>9.85</output>

<gadget id="calculator">9.7 * 5</gadget>
<output>48.5</output>

<gadget id="calculator">57.6 - 48.5</gadget>
<output>9.1</output>

<gadget id="calculator">57.6 - 9.85 - 9.1</gadget>
<output>38.65</output>

<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">38.65 / 4</gadget>
<output>9.6625</output>

<result>9.6625</result>