A piece of square floral cloth with a side length of 2 meters is made into a square handkerchief with an area of 4 square decimeters. How many pieces can be made at most?
一块边长是2米的正方形花布，把它做成面积是4平方分米的正方形小手帕．最多可以做多少块？
<gadget id="calculator">100 / 4</gadget>
<output>25</output>

<gadget id="calculator">2 * 2 * 25</gadget>
<output>100</output>

<result>100</result>