Deposit 4,000 yuan in the bank with a deposit period of 5 years and an annual interest rate of 4.25%. How much interest can you get when it matures?
把4000元存入银行，存期5年，年利率4.25%，到期时可以得到利息多少元．
<gadget id="calculator">4.25 / 100</gadget>
<output>0.0425</output>

<gadget id="calculator">4_000 * 0.0425 * 5</gadget>
<output>850</output>

<result>850</result>