Xiao Ming deposits 1,000 yuan in the bank for two years, with an annual interest rate of 4.5%. After the maturity, how much interest can he get?
小明把1000元钱存入银行，定期两年，年利率4.5%，到期后，他可得到利息多少元．
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">1_000 * 0.045 * 2</gadget>
<output>90</output>

<result>90</result>