If the perimeter of a rectangle is 32 cm and the ratio of length to width is 5:3, what is the area of the rectangle in square centimeters?
一个长方形的周长是32厘米，长与宽的比是5：3，则这个长方形的面积是多少平方厘米．
<gadget id="calculator">32 / 2</gadget>
<output>16</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">16 * (5/8)</gadget>
<output>10</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">16 * (3/8)</gadget>
<output>6</output>

<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<result>60</result>