A kind of clothes is currently on sale at a 10% discount, and the current price is 45 yuan. What is the original price of each piece?
一种衣服现在打九折出售，现在售价是45元，每件的原价是多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">45 / (9/10)</gadget>
<output>50</output>

<result>50</result>