In the graduation exam, Deji's average score in Tibetan, Chinese and mathematics was 85 points. If English scores are added, the average score of the four subjects is 82.5 points. What is Deji's English score?
毕业考试时，德吉的藏文、汉语文、数学三科平均成绩是85分，如果加上英语成绩，四科成绩平均是82.5分，德吉的英语成绩是多少？
<gadget id="calculator">82.5 * 4</gadget>
<output>330</output>

<gadget id="calculator">85 * 3</gadget>
<output>255</output>

<gadget id="calculator">330 - 255</gadget>
<output>75</output>

<result>75</result>