Aunt Wang bought 5,000 yuan in three-year treasury bonds, with an annual interest rate of 3.4%. How much interest can she get after maturity?
王大妈购得三年期国库券5000元，年利率是3.4%，到期后可以获得利息多少元？
<gadget id="calculator">3.4 / 100</gadget>
<output>0.034</output>

<gadget id="calculator">5_000 * 0.034 * 3</gadget>
<output>510</output>

<result>510</result>