Teacher Wang intends to deposit 20,000 yuan in the bank for three years, and the annual interest rate of the three-year time deposit is 5.4%. When it expires, how much can Mr. Wang get back? (Interest tax rate is 5%)
王老师打算将20000元钱存入银行，定期三年，三年定期存款的年利率是5.4%．到期时，王老师共可取回多少元？(利息税率为5%)
<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>