Xiaoling deposits 5,000 yuan in the bank for a fixed period of one year, with an annual interest rate of 2.25%. After the maturity date, she can get a total of 5,000 yuan in interest and principal. (subject to 20% interest tax)
小玲将5000元钱存入银行定期一年，年利率为2.25%，到期后，可得到利息和本金一共多少元．(需缴纳20%的利息税)
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</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">5_000 * 0.0225 * 1 * (4/5)</gadget>
<output>90</output>

<gadget id="calculator">5_000 + 90</gadget>
<output>5_090</output>

<result>5_090</result>