Master Li deposited 20,000 yuan in the bank on May 1 of the year before last, and made a regular lump sum deposit and withdrawal (the deposit period is 2 years). If the annual interest rate is 2.43%, how much yuan can he withdraw the principal and interest at the maturity date?
李师傅前年5月1日把20000元存入银行，定期整存整取(存期2年)，如果年利率是2.43%，到期他可以取出本金和利息共多少元？
<gadget id="calculator">2.43 / 100</gadget>
<output>0.0243</output>

<gadget id="calculator">20_000 * 0.0243 * 2</gadget>
<output>972</output>

<gadget id="calculator">20_000 + 972</gadget>
<output>20_972</output>

<result>20_972</result>