28 is 12% more than that.
28比多少多12%．
<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">1 + (3/25)</gadget>
<output>28/25 = around 1.12</output>

<gadget id="calculator">28 / (28/25)</gadget>
<output>25</output>

<result>25</result>