The price of a piece of clothing increases by 1/4, and the selling price is 125 yuan. What is the original price of this piece of clothing?
一件衣服涨价(1/4)，售价为125元，这件衣服的原价是多少元．
<gadget id="calculator">1 / 4</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">125 / (5/4)</gadget>
<output>100</output>

<result>100</result>