Honghong's house, Lili's house, and Meimei's house are on the same road. It is 424 meters from Honghong's home to Meimei's home, and 385 meters from Lili's home to Meimei's home. How far is it from Honghong's house to Lili's house?
红红家、莉莉家、美美家在同一条路上．红红家到美美家有424米，莉莉家到美美家有385米．红红家到莉莉家有多远？
<gadget id="calculator">424 + 385</gadget>
<output>809</output>

<result>809</result>