A certain shop has a kind of leather clothing, and it is difficult to sell it. The shop owner checked it: if it is sold at a 10% discount, it can still make a profit of 215 yuan, and if it is sold at a 20% discount, it will lose 125 yuan. What is the purchase price of this kind of leather clothing?
某商店有一种皮衣，销售有一定困难，店老板核对了一下：如果打九折出售，还可以盈利215元，如果打八折出售就要亏损125元，这种皮衣的进货价是多少元？
<gadget id="calculator">215 + 125</gadget>
<output>340</output>

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

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(9/10) - (4/5)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">340 / (1/10)</gadget>
<output>3_400</output>

<gadget id="calculator">3_400 * (4/5)</gadget>
<output>2_720</output>

<gadget id="calculator">2_720 + 125</gadget>
<output>2_845</output>

<result>2_845</result>