In this mid-term exam, Xiaoxiao from our class has an average score of 91 in Chinese, mathematics, and English, and an average of 90 in Chinese and mathematics. What is his English score?
这一次期中考，我们班小晓同学语文、数学、英语平均成绩91分，语文、数学平均90分，那么他的英语科成绩是多少？
<gadget id="calculator">91 * 3</gadget>
<output>273</output>

<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">273 - 180</gadget>
<output>93</output>

<result>93</result>