Xiaoling scored 92 points in Chinese and 90 points in English in the final exam. If she wants to achieve an average score of 94 in the three subjects, how many points should she take in mathematics?
小玲期末考试语文考了92分，英语考了90分，她要想三门功课的平均成绩达到94分，数学要考多少分．
<gadget id="calculator">94 * 3</gadget>
<output>282</output>

<gadget id="calculator">282 - 92 - 90</gadget>
<output>100</output>

<result>100</result>