A piece of clothing is now priced at 549 yuan, which is 10% lower than the original price. How much was the original price?
一件衣服，现在售价是549元，比原来降低了10%，原来售价是多少元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">549 / (9/10)</gadget>
<output>610</output>

<result>610</result>