A rectangular flowerbed has a perimeter of 108 meters and a width of 80% of its length. How many square meters is this garden?
一个长方形花圃，周长是108米，宽是长的80%．这个花圃面积多少平方米？
<gadget id="calculator">108 / 2</gadget>
<output>54</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">54 / (9/5)</gadget>
<output>30</output>

<gadget id="calculator">54 - 30</gadget>
<output>24</output>

<gadget id="calculator">30 * 24</gadget>
<output>720</output>

<result>720</result>