The High School Attached to Tsinghua University has a total of 1,800 students. If each student has 8 classes a day, and each teacher has 4 classes a day, each class has 45 students and 1 teacher. Based on this, please calculate the total number of students in the High School Attached to Tsinghua University. How many teachers?
清华大学附中共有学生1800名，若每个学生每天要上8节课，每位教师每天要上4节课，每节课有45名学生和l位教师，据此请推算出清华大学附中共有教师多少名？
<gadget id="calculator">1_800 / 45</gadget>
<output>40</output>

<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<result>80</result>