Uncle Li bought 5,000 yuan of treasury bonds with a term of 3 years. If the annual interest rate is 5.43%, how much yuan can Uncle Li get back when it matures?
李叔叔买了5000元国债，定期3年，如果年利率是5.43%，到期时，李叔叔可取回多少元．
<gadget id="calculator">5.43 / 100</gadget>
<output>0.0543</output>

<gadget id="calculator">5_000 * 0.0543 * 3</gadget>
<output>814.5</output>

<gadget id="calculator">5_000 + 814.5</gadget>
<output>5_814.5</output>

<result>5_814.5</result>