A 12 cm long iron wire forms a rectangle with a width of 2 cm, what is its area in square centimeters
用一根12厘米长的铁丝围成一个长方形，宽是2厘米，它的面积是多少平方厘米
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">12 - 4</gadget>
<output>8</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<result>8</result>