Teacher Li deposits 2,000 yuan in the bank for 2 years, with an annual interest rate of 3.87%. How much interest can he get after maturity?
李老师把2000元存入银行，定期2年，年利率3.87%，到期后可以得到利息多少元．
<gadget id="calculator">3.87 / 100</gadget>
<output>0.0387</output>

<gadget id="calculator">2_000 * 0.0387 * 2</gadget>
<output>154.8</output>

<result>154.8</result>