Two engineering teams, A and B, jointly build a canal. Team A builds 65 meters per day, and team B builds 35 meters per day. The two teams jointly complete the task in 12 days. How long is the canal today?
甲、乙两个工程队合修一条水渠，甲队每天修65米，乙队每天修35米，两队合修12天完成任务．这天水渠长多少米？
<gadget id="calculator">65 + 35</gadget>
<output>100</output>

<gadget id="calculator">100 * 12</gadget>
<output>1_200</output>

<result>1_200</result>