Uncle Zhang bought 5,000 yuan of national economic construction bonds. The deposit is for three years, and the annual interest rate is 3.7%. After three years, how much will Uncle Zhang get back the principal and interest?
张大爷买了5000元的国家经济建设债券，存款三年，年利率是3.7%，三年到期后，张大爷取回本息共是多少元？
<gadget id="calculator">3.7 / 100</gadget>
<output>0.037</output>

<gadget id="calculator">5_000 * 0.037 * 3</gadget>
<output>555</output>

<gadget id="calculator">5_000 + 555</gadget>
<output>5_555</output>

<result>5_555</result>