Xiaoqiang deposits 2,000 yuan in the bank for a period of one year, the interest rate is 2.25%, and the interest tax is deducted by 20%. After the maturity date this year, he can get the principal and interest after tax.
小强把2000元存入银行，定期1年，利率是2.25%，扣除利息税20%，今年到期后，他可获税后本息多少元．
<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">45 * (1/5)</gadget>
<output>9</output>

<gadget id="calculator">45 - 9</gadget>
<output>36</output>

<result>36</result>