Wang Ning's family deposited 40,000 yuan in the bank last year for a period of three years. If the annual interest rate is calculated at 5.00%, how much interest can he get when it matures? (excluding interest tax)
王宁家去年存入银行40000元，定期三年，如果年利率按照5.00%计算，到期时他可以获得利息多少．(不计利息税)
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">40_000 * (1/20) * 3</gadget>
<output>6_000</output>

<result>6_000</result>