A rectangular piece of land is 20 meters long and 25% longer than its width. What is the area of the land in square meters?
一块长方形的地，长20米，比宽长25%，这块地的面积是多少平方米？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">20 / (5/4)</gadget>
<output>16</output>

<gadget id="calculator">20 * 16</gadget>
<output>320</output>

<result>320</result>