Dahua Shopping Center sells a down jacket. The original price was 490 yuan per piece, but the current price is cheaper than before (1/7). How much is the price of each piece of this down jacket now?
大华商场销售一种羽绒服，原来每件售价490元，现在的售价比原来便宜(1/7)，现在这种羽绒服每件售价多少元？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">490 * (6/7)</gadget>
<output>420</output>

<result>420</result>