A kind of TV, the shopping malls will increase the purchase price by 35%, and then sell it at a 10% discount, and each TV will return a shipping fee of 50 yuan to the customer, so that each TV can make a profit of 208 yuan. This kind of TV How much is the purchase price of the machine?
一种电视机，商场按进价提高三成五定价，然后按定价打九折销售，并且每台电视机还返给顾客50元的运货费，这样每台可获利208元，这种电视机的进价是多少元？
<gadget id="calculator">50 + 208</gadget>
<output>258</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">1 + (7/20)</gadget>
<output>27/20 = around 1.35</output>

<gadget id="calculator">(27/20) * 0.9</gadget>
<output>1.215</output>

<gadget id="calculator">1.215 - 1</gadget>
<output>0.215</output>

<gadget id="calculator">258 / 0.215</gadget>
<output>1_200</output>

<result>1_200</result>