In the shopping mall, there is a leather jacket with an original price of 1,800 yuan. Now it is sold at a 20% discount. How much does it cost now?
商场里有一件皮衣原价1800元，现在打八折出售，现在一件卖多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_800 * (4/5)</gadget>
<output>1_440</output>

<result>1_440</result>