Xiaolin's family bought 4,000 yuan of national construction bonds, fixed for 5 years, with an annual interest rate of 4.85%, and how much interest can they get when they mature.
小林家买了4000元国家建设债券，定期5年，年利率4.85%，到期可获得利息多少元．
<gadget id="calculator">4.85 / 100</gadget>
<output>0.0485</output>

<gadget id="calculator">4_000 * 0.0485 * 5</gadget>
<output>970</output>

<result>970</result>