A scarf is priced at 270 yuan after a 10% discount. What is the original price of this scarf?
一种围巾打九折后的售价为270元，这种围巾的原价是多少元？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">270 / (9/10)</gadget>
<output>300</output>

<result>300</result>