Aunt Wang deposited 5,000 yuan in the bank on May 4 last year, for two years. The annual interest rate is 2.25%. By May 4 next year, how much can Aunt Wang withdraw from the principal and after-tax interest?
王阿姨去年5月4日把5000元人民币存入银行，定期两年．年利率是2.25%，到明年的5月4日，王阿姨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">5_000 * 0.0225 * 2 * (4/5)</gadget>
<output>180</output>

<gadget id="calculator">5_000 + 180</gadget>
<output>5_180</output>

<result>5_180</result>