A piece of rectangular paper with an area of 1 square meter is cut into square paper with an area of 5 square decimeters, how many sheets can be cut?
一张长方形纸，面积是1平方米，剪成每张面积是5平方分米的正方形纸，能剪多少张．
<gadget id="calculator">100 / 5</gadget>
<output>20</output>

<gadget id="calculator">1 * 20</gadget>
<output>20</output>

<result>20</result>