In December 2004, Dad saved 20,000 yuan of education savings for Lele, with a deposit period of three years and an annual interest rate of 3.96%. After maturity, how much principal and interest can I get in total? (Education savings can be exempted from interest income tax)
2004年12月，爸爸为乐乐存了2万元的教育储蓄，存期为三年，年利率为3.96%．到期后，一共可以获得本金和利息多少元？(教育储蓄可以免征利息所得税)
<gadget id="calculator">2 * 10_000</gadget>
<output>20_000</output>

<gadget id="calculator">3.96 / 100</gadget>
<output>0.0396</output>

<gadget id="calculator">20_000 * 0.0396 * 3</gadget>
<output>2_376</output>

<gadget id="calculator">20_000 + 2_376</gadget>
<output>22_376</output>

<result>22_376</result>