A shopping mall offers discounts on clothing during New Year's Day. It is known that a set of clothing sells for 300 yuan after a 25% discount. What is the original price of this clothing?
商场在元旦期间对服装进行打折促销，已知一套服装七五折后的售价是300元，那么这件服装的原价是多少元．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">300 / (3/4)</gadget>
<output>400</output>

<result>400</result>