Xiaofang's average score in three subjects is 90, and her Chinese and foreign language scores are both 88. How much does she score in mathematics?
小芳三门的平均成绩是90分，语文和外语的成绩都是88分，她数学有多少分？
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">270 - 88 - 88</gadget>
<output>94</output>

<result>94</result>