wire can be bent into a square with a side length of 10 decimeters. If it is bent into a rectangle with a side length of 12 decimeters, how many square meters will the area be reduced?
一根铁丝恰好可以弯成一个边长是10分米的正方形，如果把它弯成长是12分米的长方形，面积减少多少平方米？
<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">20 - 12</gadget>
<output>8</output>

<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<gadget id="calculator">100 - 96</gadget>
<output>4</output>

<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

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