Zhang Hua scored 90 points in Chinese, Mathematics and English in the final exam of the last semester, including 90 points in Chinese and 88 points in English. How much is the score in mathematics?
张华同学上学期期末考试语文、数学和英语三种的平均成绩是90分，其中语文90分，英语88分，数学多少分？
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">270 - 90 - 88</gadget>
<output>92</output>

<result>92</result>