Mr. Li deposits 20,000 yuan in the bank with a deposit period of 3 years and an annual interest rate of 5.40%. How much can Mr. Li get back at the maturity date? (Deposit interest is taxed at a rate of 5%)
李老师在银行存入20000元，存期3年，年利率为5.40%，到期李老师一共可以取回多少元？(存款利息按5%的税率纳税)
<gadget id="calculator">5.4 / 100</gadget>
<output>0.054</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 * 0.054 * 3 * (19/20)</gadget>
<output>3_078</output>

<gadget id="calculator">20_000 + 3_078</gadget>
<output>23_078</output>

<result>23_078</result>