A down jacket was sold in the Gulou shopping mall. It was originally sold at a 20% discount, but later it was sold at a 40% discount, which was 300 yuan cheaper than before. How much is the price of this down jacket now?
鼓楼商场出售一件羽绒服，原来打八折出售，后来加大优惠力度打六折出售，比原来又多便宜了300元．这件羽绒服现在的售价是多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(4/5) - (3/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">300 / (1/5)</gadget>
<output>1_500</output>

<gadget id="calculator">1_500 * (3/5)</gadget>
<output>900</output>

<result>900</result>