There are 3 classes in the fifth grade of the Experimental Primary School. The first class has 42 students. How many students?
实验小学五年级有3个班，一班有42人，二班的人数是一班的(5/6)，三班的人数比二班的(4/5)倍多16人，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">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">35 * (4/5)</gadget>
<output>28</output>

<gadget id="calculator">28 + 16</gadget>
<output>44</output>

<gadget id="calculator">42 + 35 + 44</gadget>
<output>121</output>

<result>121</result>