If a 48 cm long iron wire is used to make a rectangle with a ratio of length to width of 5:7, what is the area of the rectangle in square centimeters?
用一根48厘米长的铁丝做一个长与宽比为5：7的长方形，则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">5 + 7</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>