Zhang Dong's parents participated in education savings for Zhang Dong Middle School, and deposited 5,000 yuan at a time, with an annual interest rate of 5.4%, and no interest tax. How much will the total principal and interest be in three years?
张冬父母为上张冬中学参加了教育储蓄，一次存入5000元，年利率为5.4%，不用缴利息税，那么三年后可得本息共多少元．
<gadget id="calculator">5.4 / 100</gadget>
<output>0.054</output>

<gadget id="calculator">5_000 * 0.054 * 3</gadget>
<output>810</output>

<gadget id="calculator">5_000 + 810</gadget>
<output>5_810</output>

<result>5_810</result>