Uncle Zhang deposited 50,000 yuan in the bank for three years, with an annual interest rate of 2.24%. (interest tax 5%)
张大伯把5万元存入银行，定期三年，年利率2.24%，到期时实得税后利息多少元？(利息税5%)
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">2.24 / 100</gadget>
<output>0.0224</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 * 0.0224 * 3 * (19/20)</gadget>
<output>3_192</output>

<result>3_192</result>