June is 25% more than May, May is 25% more than April, and April is less than June by what percentage?
六月份比五月份多25%，五月份比四月份多25%，四月份比六月份少百分之多少？
<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">1 * (5/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / (5/4)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(5/4) - (4/5)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">(9/20) / (5/4)</gadget>
<output>9/25 = around 0.36</output>

<result>9/25 = around 0.36</result>