Wang Ning deposits 8,000 yuan in a two-year time deposit in the bank, with an annual interest rate of 2.45% and an interest tax of 20%. When the deposit is due, he can get the total amount of the principal and after-tax interest.
王宁在银行存入两年期定期存款8000元，年利率为2.45%，利息税为20%，到期时他可以得到本金和税后利息共多少元．
<gadget id="calculator">2.45 / 100</gadget>
<output>0.0245</output>

<gadget id="calculator">8_000 * 0.0245 * 2</gadget>
<output>392</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">392 * (4/5)</gadget>
<output>1_568/5 = around 313.6</output>

<gadget id="calculator">8_000 + (1_568/5)</gadget>
<output>41_568/5 = around 8_313.6</output>

<result>41_568/5 = around 8_313.6</result>