In the naughty final exam, before the announcement of the science results, his average score for the four subjects was 90. After the announcement of the science results, his average score for the five subjects dropped by 2 points. What is the score of the naughty science score?
淘气期末考试时，科学成绩公布前，他的四门功课的平均分数是90分，科学成绩公布后，他的五门功课的平均分数下降了2分，淘气的科学成绩多少分？
<gadget id="calculator">90 - 2</gadget>
<output>88</output>

<gadget id="calculator">88 * 5</gadget>
<output>440</output>

<gadget id="calculator">90 * 4</gadget>
<output>360</output>

<gadget id="calculator">440 - 360</gadget>
<output>80</output>

<result>80</result>