The engineering team built a canal, and it has completed 480 meters, which is 40 meters less than the remaining 8 times. How many meters are left unfinished?
工程队修一条水渠，已经完成480米，比剩下的8倍少40米．还剩下多少米没有完成？
<gadget id="calculator">480 + 40</gadget>
<output>520</output>

<gadget id="calculator">520 / 8</gadget>
<output>65</output>

<result>65</result>