The school is going to make 1,000 sets of desks and chairs. It has been done for 25 days, and there are still 175 sets left to be done. How many sets of desks and chairs are made per day on average?
学校要做1000套桌椅，已经做了25天，还剩175套没做，平均每天做多少套桌椅？
<gadget id="calculator">1_000 - 175</gadget>
<output>825</output>

<gadget id="calculator">825 / 25</gadget>
<output>33</output>

<result>33</result>