There are 2 classes in the fifth grade, the first class has 42 students, and the second class has the same number of students as the first class (5/6). How many students are there in the fifth grade?
五年级有2个班，一班有42人，二班的人数是一班的(5/6)，五年级共有学生多少人？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">42 * (5/6)</gadget>
<output>35</output>

<gadget id="calculator">35 + 42</gadget>
<output>77</output>

<result>77</result>