"May 1st" Labor Day, home appliance shopping malls are holding promotional activities. A color TV with an original price of 4,500 yuan is now being sold at 85% of the original price. How much is the current price cheaper than before?
"五一"劳动节，家电商场搞促销活动，一款彩电原价4500元，现以原价的85%出售，现在的售价比原来便宜了多少元？
<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">4_500 * (3/20)</gadget>
<output>675</output>

<result>675</result>