Uncle Wang deposits 8,000 yuan in the bank for a fixed term of one year, with an annual interest rate of 1.98%. How much will he get for the principal and after-tax interest after maturity? (20% interest tax should be deducted)
王大伯把8000元存入银行，定期一年，年利率是1.98%，到期后可得本金和税后利息一共多少元？(应扣除利息税20%)
<gadget id="calculator">1.98 / 100</gadget>
<output>0.0198</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">8_000 * 0.0198 * 1 * (4/5)</gadget>
<output>126.72</output>

<gadget id="calculator">8_000 + 126.72</gadget>
<output>8_126.72</output>

<result>8_126.72</result>