The Lanze Electric Store priced a type of refrigerator based on the purchase price plus 35%, and then sold it at a discount of 10% off the price, and provided a "shipping fee" of 50 yuan for each unit, so that each unit could still make a profit of 208 yuan. How much is the purchase price of this refrigerator?
兰泽电器商场将一种冰箱按进价加35%定价，然后按定价打九折出售，并且每台送"运费"50元，这样每台仍可获利208元．这种冰箱的进价是多少元？
<gadget id="calculator">208 + 50</gadget>
<output>258</output>

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

<gadget id="calculator">(7/20) * 0.9</gadget>
<output>0.315</output>

<gadget id="calculator">0.315 - 1</gadget>
<output>-0.685</output>

<gadget id="calculator">0.9 + (-0.685)</gadget>
<output>0.215</output>

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

<result>1_200</result>