It has been 5 days to build a canal, with an average of 54 meters per day, and there are still 786 meters that have not been repaired. How long is this canal in meters?
修一条水渠，已经修了5天，平均每天修54米，还有786米没有修，这条水渠全长多少米？
<gadget id="calculator">5 * 54</gadget>
<output>270</output>

<gadget id="calculator">270 + 786</gadget>
<output>1_056</output>

<result>1_056</result>