A piece of paper is 35 decimeters long and 22 decimeters wide. If you want to cut this paper into a largest square, what is the area of the cut part in square meters?
一张纸长35分米，宽22分米，如果要把这张纸剪成一个最大的正方形，剪去部分的面积是多少平方米．
<gadget id="calculator">35 - 22</gadget>
<output>13</output>

<gadget id="calculator">13 / 100</gadget>
<output>13/100 = around 0.13</output>

<gadget id="calculator">22 * (13/100)</gadget>
<output>143/50 = around 2.86</output>

<result>143/50 = around 2.86</result>