Xiaoming's mother deposits 2,000 yuan in the bank with a deposit period of one year and an annual interest rate of 2.25%. When withdrawing money, she has to pay 20% interest tax. How much is the total principal and interest?
小明妈妈将2000元人民币存入银行，存期一年，年利率为2.25%，取款时要交20%的利息税，到期共获本息多少钱？
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">2_000 * 0.0225 * 1</gadget>
<output>45</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">45 * (4/5)</gadget>
<output>36</output>

<gadget id="calculator">2_000 + 36</gadget>
<output>2_036</output>

<result>2_036</result>