Use a piece of rectangular paper with a length of 1776 mm and a width of 3700 mm to cut a square with equal area, and finally there is no residue, what is the maximum side length of the square?
用一张长1776毫米，宽3700毫米的长方形纸剪成面积相等的正方形，并最后没有剩余，正方形的边长最多是多少？
<gadget id="calculator">2 * 2 * 37</gadget>
<output>148</output>

<result>148</result>