On January 1, 2008, Li Ming deposited 20,000 yuan in the bank for a fixed term of three years. The annual interest rate is 5.40%. (Interest accrued on savings deposits after October 2008 is exempt from interest tax)
李明在08年元月1日将20000元存入银行三年定期，年利率是5.40%，存款的利息按5%的税率纳税，到期时李明可得本金和利息一共多少元．(储蓄存款在2008年10月后产生的利息免征利息税)
<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>