Manager Li deposited RMB 100,000 in the bank on May 1, 2008, for one year at an annual interest rate of 4.14%, after deducting 5% interest tax. On May 1, 2009, Manager Li can get the principal and after-tax How much is the total interest.
李经理于2008年5月1日把10万元人民币存入银行，定期一年，年利率是4.14%，扣除5%的利息税，2009年5月1日李经理可得本金和税后利息一共多少元．
<gadget id="calculator">10 * 10_000</gadget>
<output>100_000</output>

<gadget id="calculator">4.14 / 100</gadget>
<output>0.0414</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">100_000 * 0.0414 * 1 * (19/20)</gadget>
<output>3_933</output>

<gadget id="calculator">100_000 + 3_933</gadget>
<output>103_933</output>

<result>103_933</result>