Xiao Ming's father bought 5,000 yuan of national debt, fixed for three years, with an annual interest rate of 4.5%, and how much yuan he can get the principal and interest when it matures. (National bonds do not pay interest tax)
小明的爸爸到买了5000元的国债，定期三年，年利率4.5%，到期他可获得本金和利息共多少元．(国债不交利息税)
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">5_000 * 0.045 * 3</gadget>
<output>675</output>

<gadget id="calculator">5_000 + 675</gadget>
<output>5_675</output>

<result>5_675</result>