The farm tool factory needs to produce 2,500 farm tools, 180 per day for the first 5 days, and then 200 per day. How many days will it take to complete the task?
农具厂要生产农具2500件，前5天每天生产180件，后来每天生产200件，还要几天才能完成任务？
<gadget id="calculator">180 * 5</gadget>
<output>900</output>

<gadget id="calculator">2_500 - 900</gadget>
<output>1_600</output>

<gadget id="calculator">1_600 / 200</gadget>
<output>8</output>

<result>8</result>