Xiao Ming puts 1,200 yuan of New Year's money in the bank to deposit for 2 years, and the annual interest rate is 3.5%. How much interest can Xiao Ming get when it expires?
小明把1200元压岁钱放到银行去存2年，年利率是3.5%，到期时小明能得到多少元的利息．
<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>

<gadget id="calculator">1_200 * 0.035 * 2</gadget>
<output>84</output>

<result>84</result>