Li Lin made a fixed deposit of 2,000 yuan in the bank on September 1 last year. Calculated at an annual interest rate of 2.25%, how much after-tax interest can he get after one year? (interest tax rate 20%)
李林去年9月1日在银行定期存款2000元，按年利率2.25%计算，一年到期后可得税后利息多少元？(利息税率20%)
<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">2_000 * 0.0225 * 1 * (4/5)</gadget>
<output>36</output>

<result>36</result>