In an exam, A, B, and C have an average score of 91 points, B, C, and D have an average score of 89 points, and A, D, and D have an average score of 95 points. What is the score for D?
一次考试，甲乙丙三人平均分91分，乙丙丁三人平均分89分，甲丁二人平均分95分，丁得多少分．
<gadget id="calculator">91 * 3</gadget>
<output>273</output>

<gadget id="calculator">89 * 3</gadget>
<output>267</output>

<gadget id="calculator">95 * 2</gadget>
<output>190</output>

<gadget id="calculator">273 + 267 + 190</gadget>
<output>730</output>

<gadget id="calculator">730 / 2</gadget>
<output>365</output>

<gadget id="calculator">365 - 273</gadget>
<output>92</output>

<result>92</result>