The side length of the small square is equivalent to (1/5) of the side length of the large square, and the area of the small square is equivalent to the size of the large square
小正方形的边长相当于大正方形边长的(1/5)，小正方形的面积相当于大正方形的多少
<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>