There are 2400 students in a certain school, each student has 5 classes every day, each teacher teaches 4 classes every day, and each class is taught by one teacher to 30 students. So how many teachers are there in total?
某校有2400名学生，每名学生每天上5节课，每位教师每天教4节课，每节课是一位教师给30名学生讲授．那么该校共有教师多少位．
<gadget id="calculator">2_400 * 5</gadget>
<output>12_000</output>

<gadget id="calculator">4 * 30</gadget>
<output>120</output>

<gadget id="calculator">12_000 / 120</gadget>
<output>100</output>

<result>100</result>