Uncle Wang has deposited 20,000 yuan in the bank for two years. The annual interest rate is 2.70%, and the interest tax rate is 5%.
王叔叔在银行存了20000元，定期两年，年利率是2.70%，利息税率为5%，到期时可得税后利息多少元．
<gadget id="calculator">2.7 / 100</gadget>
<output>0.027</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 * 0.027 * 2 * (19/20)</gadget>
<output>1_026</output>

<result>1_026</result>