Wang Qiang deposited 20,000 yuan in the bank at an annual interest rate of 3.8%. What is the total amount of principal and interest he should receive after two years.
王强把20000元按年利3.8%存入银行．两年后他应得本金和利息共计多少元．
<gadget id="calculator">3.8 / 100</gadget>
<output>0.038</output>

<gadget id="calculator">20_000 * 0.038 * 2</gadget>
<output>1_520</output>

<gadget id="calculator">1_520 + 20_000</gadget>
<output>21_520</output>

<result>21_520</result>