There is a straight road between Congcong and Mingming’s house. Congcong and Mingming start from home at the same time and walk towards each other’s house. Congcong walks 50 meters per minute, and Mingming walks 60 meters per minute. After 5 minutes of meeting, Congcong and Mingming How many meters away are the homes?
聪聪和明明家之间有一条笔直的公路，聪聪和明明同时从家出发向对方家走，聪聪每分钟走50米，明明每分钟走60米，经过5分钟相遇，聪聪和明明家相距多少米．
<gadget id="calculator">50 + 60</gadget>
<output>110</output>

<gadget id="calculator">110 * 4</gadget>
<output>440</output>

<result>440</result>