Uncle Wang deposited 5,000 yuan in the bank on May 10, 2002, for two years, with an annual interest rate of 2.43%. By May 10, 2004, how much can Uncle Wang withdraw the principal and after-tax interest in total?
王叔叔2002年5月10日把5000元存入银行，定期二年，年利率是2.43%．到2004年5月10日取出时，王叔叔可取出本金和税后利息共多少元？
<gadget id="calculator">2.43 / 100</gadget>
<output>0.0243</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 * 0.0243 * 2 * (4/5)</gadget>
<output>194.4</output>

<gadget id="calculator">5_000 + 194.4</gadget>
<output>5_194.4</output>

<result>5_194.4</result>