Uncle Wang deposited 20,000 yuan in the Rural Cooperative Bank, with a deposit period of 2 years and an annual interest rate of 3.90%. After deducting the 5% interest tax after maturity, how much money can Uncle Wang get back in total?
王伯伯在农村合作银行存入两万元，存期2年，年利率3.90%，到期后扣除5%的利息税后，王伯伯一共可取回多少钱？
<gadget id="calculator">3.9 / 100</gadget>
<output>0.039</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">20_000 * 0.039 * 2 * (19/20)</gadget>
<output>1_482</output>

<gadget id="calculator">1_482 + 20_000</gadget>
<output>21_482</output>

<result>21_482</result>