Li Hua deposits 6,000 yuan in the bank, fixed for two years, with an annual interest rate of 3.5%, how much money can he withdraw in total after maturity?
李华在银行存款6000元，定期两年，年利率3.5%，到期后一共可取出多少钱？
<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>

<gadget id="calculator">6_000 * 0.035 * 2</gadget>
<output>420</output>

<gadget id="calculator">6_000 + 420</gadget>
<output>6_420</output>

<result>6_420</result>