The perimeter of a rectangle is 24 cm, and the ratio of its length to width is 1:5. What is the area of this rectangle.
一个长方形的周长是24厘米，它的长和宽的比是1：5．这个长方形的面积是多少．
<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">12 * (1/6)</gadget>
<output>2</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">12 * (5/6)</gadget>
<output>10</output>

<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<result>20</result>