After a 15% discount on an LCD TV, it is 3,000 yuan cheaper. How much is the original price of this LCD TV?
一台液晶电视八五折后，便宜了3000元，这台液晶电视原价多少元？
<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_000 / (3/20)</gadget>
<output>20_000</output>

<result>20_000</result>