Teacher Tu received 250 exercise books, which were distributed to 40 students in the class on average, leaving 10 books left. How many exercise books does each student get?
涂老师领到250本练习本，平均分给班上40个同学，还剩10本．每个同学分得几本练习本？
<gadget id="calculator">250 - 10</gadget>
<output>240</output>

<gadget id="calculator">240 / 40</gadget>
<output>6</output>

<result>6</result>