A certain city carries out road renovation and builds a new pedestrian street. It has been repaired for 627 meters, which is 143 meters shorter than the unrepaired one. How long is this pedestrian street in meters?
某城市进行道路改造，新建一条步行街，已修好627米，比没有修好的少143米，这条步行街全长多少米？
<gadget id="calculator">627 + 143</gadget>
<output>770</output>

<gadget id="calculator">627 + 770</gadget>
<output>1_397</output>

<result>1_397</result>