When Huanhuan took the final exam, his average score for the four subjects before the math result was announced was 92; after the math result was announced, he got 87 points, what is his average score for the five homework?
欢欢在期末考试时，数学成绩公布前他四门功课的平均分数是92分；数学成绩公布后得知他得了87分，此时他五门功课的平均分是多少分？
<gadget id="calculator">92 * 4</gadget>
<output>368</output>

<gadget id="calculator">368 + 87</gadget>
<output>455</output>

<gadget id="calculator">455 / 5</gadget>
<output>91</output>

<result>91</result>