The original price of a TV set is 4,500 yuan, and the manufacturer is promoting it with a special discount of 15%. How much is the current price?
一种电视机，原价4500元，厂方为促销，特降价15%，现价多少元？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">4_500 * (17/20)</gadget>
<output>3_825</output>

<result>3_825</result>