On January 1, 2012, mother deposited 8,000 yuan in the bank for a period of 3 years, with an annual interest rate of 4.25%. How much interest should be withdrawn from the bank upon maturity.
2012年1月1日妈妈存入银行8000元，定期3年，年利率4.25%，到期应从银行取回利息多少元．
<gadget id="calculator">4.25 / 100</gadget>
<output>0.0425</output>

<gadget id="calculator">8_000 * 0.0425 * 3</gadget>
<output>1_020</output>

<result>1_020</result>