Zhao Qun deposited 800 yuan in the bank on October 1, 1999. If the annual interest rate is 2.43%, by October 1, 2002, how much yuan can he withdraw the principal and interest in total?
赵群1999年10月1日把800元钱存入银行，如果年利率是2.43%，到2002年10月1日，他可以取出本金和利息一共多少元？
<gadget id="calculator">2.43 / 100</gadget>
<output>0.0243</output>

<gadget id="calculator">800 * 0.0243 * 3</gadget>
<output>58.32</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">58.32 * (4/5)</gadget>
<output>46.656</output>

<gadget id="calculator">800 + 46.656</gadget>
<output>846.656</output>

<result>846.656</result>