A TV is now priced at 7,200 yuan, which is a reduction (4/9) from the original price. How much was each TV set originally?
一种电视机现在售价7200元，比原来降价(4/9)，原来每台多少钱？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">1 - (4/9)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">7_200 / (5/9)</gadget>
<output>12_960</output>

<result>12_960</result>