If you deposit 1,000 yuan for one year, the annual interest rate is 2.25%, how much interest can you get when it matures?
把1000元存定期一年，年利率为2.25%，到期时可得利息多少元．
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">1_000 * 0.0225 * 1</gadget>
<output>22.5</output>

<result>22.5</result>