In 2008, Uncle Wang deposited RMB 50,000 in the bank for two years with an annual interest rate of 4.68%. How much is the actual after-tax interest at maturity? (the interest tax rate is 5%)
2008年王大伯把5万元人民币存入银行，定期二年，年利率是4.68%．到期时实得税后利息多少元？(利息税的税率是5%)
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">4.68 / 100</gadget>
<output>0.0468</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">50_000 * 0.0468 * 2 * (19/20)</gadget>
<output>4_446</output>

<result>4_446</result>