The current price of a TV set is 1,500 yuan per set, which is lower than the original price (4/19). How much was each set originally?
一种电视机现在的每台售价1500元，比原价降低(4/19)，原来每台多少钱？
<gadget id="calculator">4 / 19</gadget>
<output>4/19 = around 0.210526</output>

<gadget id="calculator">1 - (4/19)</gadget>
<output>15/19 = around 0.789474</output>

<gadget id="calculator">1_500 / (15/19)</gadget>
<output>1_900</output>

<result>1_900</result>