A 820-meter-long concrete road was repaired for 318 meters on the first day, and 296 meters on the second day. How many meters can be completed on the third day?
一段长820米的水泥路，第一天修318米，第二天修了296米，第三天修多少米才能全部完成？
<gadget id="calculator">318 + 296</gadget>
<output>614</output>

<gadget id="calculator">820 - 614</gadget>
<output>206</output>

<result>206</result>