A department store is engaged in a "discount up" promotion. In this event, a washing machine with an original price of 3,500 yuan will be given a 40% discount and then a 10% discount. How much is the current price of the washing machine?
某百货商城搞"折上折"优惠活动，这次活动中一架原价为3500元的洗衣机，先打六折后再打九折．洗衣机的现价是多少钱？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">3_500 * (3/5) * (9/10)</gadget>
<output>1_890</output>

<result>1_890</result>