Uncle Li and Uncle Zhang are both philatelists. Uncle Li has the same number of stamps (1/15) as Uncle Zhang has votes (1/12). Uncle Li has more stamps than Uncle Zhang by what percentage?
李叔叔和张叔叔都是集邮爱好者，李叔叔邮票数的(1/15)和张叔叔有票数的(1/12)相等，李叔叔的邮票数比张叔叔多百分之几？
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/12) / (1/15)</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">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) / (4/5)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>