In one exam, Xiao Ming scored an average of 81 points in Chinese and English, and 8 points more in mathematics than the average score of the three subjects. He asked how much in mathematics.
小明有一次考试中，语文和英语平均是81分，数学比三科平均分还多8分，问数学是多少．
<gadget id="calculator">81 * 2</gadget>
<output>162</output>

<gadget id="calculator">162 + 8</gadget>
<output>170</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">170 / 2</gadget>
<output>85</output>

<result>85</result>