A computer sales store carried out a "New Year's Promotion" activity. The original price of a computer was 3,800 yuan, but the current price is 10% lower than the original price. How much is the current price of this computer?
某电脑销售店开展"迎新年大促销"活动，一种电脑原价3800元，现在的售价比原阶降低了10%．这种电脑现价多少元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">3_800 * (9/10)</gadget>
<output>3_420</output>

<result>3_420</result>