After a 25% discount on a coat, it is 60 yuan. How much is the original dress.
一件上衣打了七五折后，是60元，原来这件衣服是多少元．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>

<result>80</result>