Students from three classes in the fourth grade go on an autumn outing. There are 67 students in the first class, 68 students in the second class, and 65 students in the third class. Each bus can accommodate 50 people. How many such buses do you need for the fourth grader?
四年级三个班的同学去秋游，一班67人，二班68人，三班65人，每辆大巴车可以坐50人，四年级需要包几辆这样的大巴车？
<gadget id="calculator">67 + 68 + 65</gadget>
<output>200</output>

<gadget id="calculator">200 / 50</gadget>
<output>4</output>

<result>4</result>