A color TV dealer takes a 25% increase in the purchase price of an LCD TV as the retail price. During the festival, in order to attract customers, the merchant decided to sell the TV at a 10% discount, but still made a profit of 700 yuan per TV. How much is the purchase price of this TV?
某彩电经销商把一款液晶电视按进价的25%加价作为零售价．节日期间，为了吸引顾客，商家决定降价10%出售这款电视，结果仍每台盈利700元．这款电视的进价是多少元？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(5/4) * (9/10)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">(9/8) - 1</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">700 / (1/8)</gadget>
<output>5_600</output>

<result>5_600</result>