If the students in Class 5 (1) line up to do exercises, if there are 12 people in each row, they will be arranged in exactly 4 rows; if there are more than 4 people in each row, how many rows can they be arranged in?
五(一)班的同学排队做操如果每行排12人，刚好排4列；如果每行多排4人，可以排几列？
<gadget id="calculator">12 + 4</gadget>
<output>16</output>

<gadget id="calculator">4 / 16</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 * (1/4)</gadget>
<output>3</output>

<result>3</result>