A department store sells a commodity at a discount of 20% off the price for promotion, and still makes a profit of 160 yuan. If the price of the commodity is 2200 yuan, what is its cost?
百货商场为了促销，对某种商品按标价的8折出售，仍获利160元，若商品的标价为2200元，那么它的成本为多少元
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2_200 * (4/5)</gadget>
<output>1_760</output>

<gadget id="calculator">1_760 - 160</gadget>
<output>1_600</output>

<result>1_600</result>