Uncle Wang deposited RMB 4,000 in the bank on February 1, 2000, and made a fixed deposit and withdrawal for 5 years. If the annual interest rate is calculated at 2.25%. By February 1, 2005, how much can he withdraw the principal and after-tax interest in total?
王叔叔于2000年2月1日将4000元人民币存入银行，定期整存整取5年，如果年利率按2.25%计算．到2005年2月1日取出时，他可以取出本金和税后利息共多少元？
<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">4_000 * 0.0225 * 5 * (4/5)</gadget>
<output>360</output>

<gadget id="calculator">4_000 + 360</gadget>
<output>4_360</output>

<result>4_360</result>