If you sell a piece of clothing for 90 yuan, you can earn 12.5%. If you sell it for 110 yuan, how much can you earn?
一件衣服如果卖90元，可以赚12.5%，如果卖110元可赚多少．
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">1 + 0.125</gadget>
<output>1.125</output>

<gadget id="calculator">90 / 1.125</gadget>
<output>80</output>

<gadget id="calculator">110 - 80</gadget>
<output>30</output>

<gadget id="calculator">30 / 80</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>