A piece of iron wire can enclose a square with an area of 100 square centimeters. If it is used to enclose a rectangle with an area of 12 centimeters, what is the area?
一根铁丝可以围成面积是100平方厘米的正方形，如果用它围成长是12厘米的长方形，面积是多少？
<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">40 / 2</gadget>
<output>20</output>

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

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

<result>96</result>