Yucai stationery needs to bind 750 books. After 5 days of binding, there are still 120 books left. How many books are bound every day on average?
育才文化用品要装订图书750本，装订了5天，还剩120本，平均每天装订多少本？
<gadget id="calculator">750 - 120</gadget>
<output>630</output>

<gadget id="calculator">630 / 5</gadget>
<output>126</output>

<result>126</result>