48 cm long iron wire is used to form a rectangle, the ratio of length to width is 5:3, what is the area of the rectangle?
用一根48厘米长的铁丝围成一个长方形，长与宽的比是5：3，长方形的面积是多少？
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">24 * (5/8)</gadget>
<output>15</output>

<gadget id="calculator">24 - 15</gadget>
<output>9</output>

<gadget id="calculator">15 * 9</gadget>
<output>135</output>

<result>135</result>