Mr. Wang deposits RMB 3,000 in the bank for 3 years. If the annual interest rate is 5.4%, the interest is taxed at 5%. After the maturity, how much can Mr. Wang get back?
王老师将3000元人民币存入银行3年，如果年利率是5.4%，所得利息按5%纳税，到期后，王老师可取回多少元．
<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">3_000 * 0.054 * 3 * (19/20)</gadget>
<output>461.7</output>

<gadget id="calculator">3_000 + 461.7</gadget>
<output>3_461.7</output>

<result>3_461.7</result>