The purchase price of a certain commodity is 1,600 yuan, and the profit margin is 10% when sold at 20% off the listed price. What is its listed price?
某种商品进价为1600元，按标价的8折出售利润率为10%，问它的标价是多少？
<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">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(11/10) / (4/5)</gadget>
<output>11/8 = around 1.375</output>

<gadget id="calculator">1_600 * (11/8)</gadget>
<output>2_200</output>

<result>2_200</result>