The price of a leather jacket is 1,650 yuan. If you sell it at a 20% discount, you can still make a profit of 10%. How much is the purchase price of this leather jacket?
一件皮衣价格为1650元，打八折售出仍可获利10%，这件皮衣进价是多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_650 * (4/5)</gadget>
<output>1_320</output>

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

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">1_320 / (11/10)</gadget>
<output>1_200</output>

<result>1_200</result>