Two engineering teams, A and B, respectively build a road from both ends. Team A repairs 58 meters per day, Team B repairs 42 meters per day, and the repair is completed in 18 days. How many meters is this road?
甲、乙两个工程队分别从两端修一条公路．甲队每天修58米，乙队每天修42米，18天修完．这条公路长多少米？
<gadget id="calculator">58 + 42</gadget>
<output>100</output>

<gadget id="calculator">100 * 18</gadget>
<output>1_800</output>

<result>1_800</result>