super DVD player, the store will add 40% to the purchase price. Then sell at 90% of the price, and each set will give you a "taxi" fee of 50 yuan, so that each set can still make a profit (earn) 262 yuan. How much is the purchase price of each set of this DVD player?
一种超级DVD影碟机，商店将进价加40%定价．然后按定价的90%出售，并且每台送"的士"费50元，这样每台仍可以获利润(赚)262元，求这种影碟机每台的进价是多少元？
<gadget id="calculator">262 + 50</gadget>
<output>312</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(7/5) * (9/10)</gadget>
<output>63/50 = around 1.26</output>

<gadget id="calculator">(63/50) - 1</gadget>
<output>13/50 = around 0.26</output>

<gadget id="calculator">312 / (13/50)</gadget>
<output>1_200</output>

<result>1_200</result>