In a math test, the average score of Xiaohua, Xiaowen, and Xiaole was 90, and that of Xiaoyu was 82. What is the average score of the four of them?
一次数学测验，小华、小文、小乐的平均分是90分，小宇是82分．他们四人平均分是多少分？
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">270 + 82</gadget>
<output>352</output>

<gadget id="calculator">352 / 4</gadget>
<output>88</output>

<result>88</result>