school has 1520 students, 40 students in each class, each class has 6 classes a day, and each teacher teaches 3 classes a day on average, so how many teachers should the school have at least?
某学校有学生1520人，每个班40名学生，每个班级一天上6节课，平均每个教师一天教3节课，那么这所学校至少需要配备多少名教师．
<gadget id="calculator">1_520 / 40</gadget>
<output>38</output>

<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<gadget id="calculator">38 * 2</gadget>
<output>76</output>

<result>76</result>