Grandpa Wang bought 50,000 yuan of five-year certificate treasury bonds in August 2012, with an annual interest rate of 5.53%. How much is Grandpa Wang’s principal and interest when it matures?
王爷爷2012年8月买了5万元五年期的凭证式国债，年利率是5.53%，到期时，王爷爷的本金和利息共有多少钱？
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">5.53 / 100</gadget>
<output>0.0553</output>

<gadget id="calculator">50_000 * 0.0553 * 5</gadget>
<output>13_825</output>

<gadget id="calculator">50_000 + 13_825</gadget>
<output>63_825</output>

<result>63_825</result>