Dad deposits 5,000 yuan in the bank for a fixed period of one year, and the annual interest rate is 2.25%. How much interest will he be entitled to at maturity.
爸爸把5000元存入银行，定期一年，年利率是2.25%．到期他应得利息多少元．
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">5_000 * 0.0225 * 1</gadget>
<output>112.5</output>

<result>112.5</result>