The price of a small car before New Year's Day was 150,000 yuan, and the price was reduced by 30,000 yuan after New Year's Day. What percentage of the price before New Year's Day is the price after New Year's Day?
一款小轿车元旦前售价是15万元，元旦后降价了3万元．元旦后的售价是元旦前的百分之几？
<gadget id="calculator">15 - 3</gadget>
<output>12</output>

<gadget id="calculator">12 / 15</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>