Suning Mall celebrates New Year's Day with activities. All products were sold at a 15% discount, and Naughty Mom snapped up a TV set for 3,230 yuan, how much cheaper than the original price?
苏宁商城庆元旦搞活动．全场商品打八五折出售，淘气妈妈花了3230元抢购了一台电视机，比原来的价格便宜了多少元？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">3_230 * (3/20)</gadget>
<output>969/2 = around 484.5</output>

<result>969/2 = around 484.5</result>