x and y represent two numbers, "☆" is a special operation symbol, stipulated: x☆y=5x+7y. Then, what is the value of (1☆1)+(2☆2)+(3☆3)+…+(100☆100).
x、y表示两个数，"☆"是一种特殊的运算符号，规定：x☆y=5x+7y．那么，(1☆1)+(2☆2)+(3☆3)+…+(100☆100)的值是多少．
<gadget id="calculator">5 * 5_050</gadget>
<output>25_250</output>

<gadget id="calculator">7 * 5_050</gadget>
<output>35_350</output>

<gadget id="calculator">25_250 + 35_350</gadget>
<output>60_600</output>

<result>60_600</result>