Interest earned on education savings is not taxed. Dad saved a three-year education savings fund of 20,000 yuan for Xiaoxiao, with an annual interest rate of 5.40%.
教育储蓄所得的利息不用纳税．爸爸为笑笑存了三年期的教育储蓄基金20000元，年利率为5.40%，到期后共领到了本金和利息多少元？
<gadget id="calculator">5.4 / 100</gadget>
<output>0.054</output>

<gadget id="calculator">20_000 * 0.054 * 3</gadget>
<output>3_240</output>

<gadget id="calculator">20_000 + 3_240</gadget>
<output>23_240</output>

<result>23_240</result>