Team A and Team B are working together to dig a canal. Team A digs 18 meters a day, and Team B digs 15 meters a day. When the task is completed, Team A digs 90 meters. How long is the canal?
甲乙两队合挖一条水渠，甲队每天挖18米，乙队每天挖15米，完成任务时，甲队挖了90米，这条水渠长多少米？
<gadget id="calculator">18 + 15</gadget>
<output>33</output>

<gadget id="calculator">90 / 18</gadget>
<output>5</output>

<gadget id="calculator">33 * 5</gadget>
<output>165</output>

<result>165</result>