There are 3 classes in the third grade of Xingwang Primary School. There are 42 students in Class No. 1, 49 students in Class No. 2, and 54 students in Class No. 3. In the sports meeting, the third grade will form 5 square formations. Each square has about How many students?
兴旺小学三年级有3个班，三1班有42名学生，三2班有49名学生，三3班有54名学生，运动会上三年级要组成5个方阵，每个方阵大约有多少名学生？
<gadget id="calculator">42 + 49 + 54</gadget>
<output>145</output>

<gadget id="calculator">145 / 5</gadget>
<output>29</output>

<result>29</result>