A 48 cm long iron wire is used to form a rectangle, the ratio of length to width is 7:5, what is the area of this rectangle in square centimeters?
用一根长48厘米的铁丝围成一个长方形，长与宽的比是7：5，这个长方形的面积是多少平方厘米？
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">7 + 5</gadget>
<output>12</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">24 * (7/12)</gadget>
<output>14</output>

<gadget id="calculator">24 - 14</gadget>
<output>10</output>

<gadget id="calculator">14 * 10</gadget>
<output>140</output>

<result>140</result>