The average score of Lele's math, Chinese and English scores is 90, his math is 89, Chinese is 88, and English is a little bit.
乐乐数学、语文、英语三科成绩的平均分是90分，他的数学89分，语文88分，英语多少分．
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">270 - 89 - 88</gadget>
<output>93</output>

<result>93</result>