A TV is now priced at 720 yuan per set, which is 14/19 lower than before. How much did each set cost before?
一种电视机现在每台售价720元，比原来降低了(14/19)，原来每台多少钱？
<gadget id="calculator">14 / 19</gadget>
<output>14/19 = around 0.736842</output>

<gadget id="calculator">1 - (14/19)</gadget>
<output>5/19 = around 0.263158</output>

<gadget id="calculator">720 / (5/19)</gadget>
<output>2_736</output>

<result>2_736</result>