Xiaoming's Chinese, Mathematics, and English subjects have an average score of 85, of which Chinese is 82 and English is 83. How many points did he score in Mathematics?
小明的语文、数学、英语三科的平均成绩是85分，其中语文82分，英语83分，数学考了多少分？
<gadget id="calculator">85 * 3</gadget>
<output>255</output>

<gadget id="calculator">255 - 82 - 83</gadget>
<output>90</output>

<result>90</result>