Li Bin's average score in Chinese, English, and science in the mid-term exam was 76 points. After the announcement of math results, his average score increased by 2 points. What is Li Bin's math score?
李斌期中考试语文、英语、科学的平均成绩是76分，数学成绩公布后，他的平均成绩提高了2分，李斌的数学成绩是多少？
<gadget id="calculator">76 + 2</gadget>
<output>78</output>

<gadget id="calculator">78 * 4</gadget>
<output>312</output>

<gadget id="calculator">76 * 3</gadget>
<output>228</output>

<gadget id="calculator">312 - 228</gadget>
<output>84</output>

<result>84</result>