A carpentry team needs to make 1,380 desks, 660 of which have already been made, and the rest will take 30 days to finish. How many desks are made on average per day?
一个木工组要做1380张课桌，已经做了660张，剩下的要30天做完，平均每天要做多少张？
<gadget id="calculator">1_380 - 660</gadget>
<output>720</output>

<gadget id="calculator">720 / 30</gadget>
<output>24</output>

<result>24</result>