Obviously deposit 2,000 yuan of New Year's money in the bank for two years, with an annual interest rate of 4.1%, how much interest should be paid after maturity. (interest tax free)
明明把2000元压岁钱存入银行，定期两年，年利率是4.1%，到期后应得利息多少元．(免利息税)
<gadget id="calculator">4.1 / 100</gadget>
<output>0.041</output>

<gadget id="calculator">2_000 * 0.041 * 2</gadget>
<output>164</output>

<result>164</result>