Uncle Zhang deposits 20,000 yuan in the bank for a fixed period of one year. If the annual interest rate is calculated at 2.43%, how much yuan can he withdraw the principal and after-tax interest when it matures? (Only the comprehensive formula is listed, no calculation is required)
张伯伯把20000元钱存入银行，定期一年，如果年利率按2.43%计算，到期时，他可以取出本金和税后利息共多少元？(只列综合式，不用计算)
<gadget id="calculator">2.43 / 100</gadget>
<output>0.0243</output>

<gadget id="calculator">20_000 * 0.0243 * 1</gadget>
<output>486</output>

<gadget id="calculator">20_000 + 486</gadget>
<output>20_486</output>

<result>20_486</result>