Starlight Processing Factory needs to process a batch of parts, and 6,480 pieces have been completed, which is 8 times that of unfinished parts. How many parts are there in this batch?
星光加工厂要加工一批零件，已经完成6480只，是没有完成的8倍，这批零件共有多少只？
<gadget id="calculator">6_480 / 8</gadget>
<output>810</output>

<gadget id="calculator">6_480 + 810</gadget>
<output>7_290</output>

<result>7_290</result>