Huanhuan's average score in Chinese, foreign language, and science in the mid-term exam was 74 points. After the math results were announced, her average score increased by 3 points. What is Huanhuan's math score?
欢欢期中考试语文、外语、科学的平均成绩是74分，数学成绩公布后，她的平均成绩提高了3分，欢欢数学成绩是多少分．
<gadget id="calculator">74 + 3</gadget>
<output>77</output>

<gadget id="calculator">77 * 4</gadget>
<output>308</output>

<gadget id="calculator">74 * 3</gadget>
<output>222</output>

<gadget id="calculator">308 - 222</gadget>
<output>86</output>

<result>86</result>