There are four classes in the third grade, with 42 students in each class, and they have to take 6 cars to participate in the science and technology museum. If each car holds the same number of people, how many people should each car take?
三年级有四个班，每班42人，要乘6辆车去参加科技馆．如果每辆车乘坐的人数相同，问每辆车应坐多少人？
<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">42 * (2/3)</gadget>
<output>28</output>

<result>28</result>