The Bosideng down jacket sells for 425 yuan after a 15% discount in summer. How much is the original price of this down jacket?
波斯登羽绒服，夏季打八五折后卖425元，这种羽绒服原价多少元？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">425 / (17/20)</gadget>
<output>500</output>

<result>500</result>