The average score of Hailin's three subjects in the final exam was 90. She scored 85 in Chinese and 92 in English. How much did she score in mathematics?
期末考试海林的三门平均分是90分，她语文得了85分，英语得了92分，她数学得了多少分？
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">270 - 85 - 92</gadget>
<output>93</output>

<result>93</result>