The speech scores of 10 students are known. If it is based on 80 points, the excess is recorded as a positive number, and the negative number is recorded as a negative number. The recorded results are as follows: +7, -3, +12, -7, -12, -1, -2, +6, 0 , +10, what is the total score of these 10 students?
已知10名同学的演讲成绩．若以80分为基准，超出的记为正数，不是的记为负数，记录的结果如下：+7，-3，+12，-7，-12，-1，-2，+6，0，+10，则这10名同学的总成绩是多少分．
<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">12 - 7 - 12 - 1 - 2</gadget>
<output>-10</output>

<gadget id="calculator">4 + (-10) + 6 + 0 + 10</gadget>
<output>10</output>

<gadget id="calculator">80 * 10</gadget>
<output>800</output>

<gadget id="calculator">10 + 800</gadget>
<output>810</output>

<result>810</result>