Xiao Ming’s New Year’s Eve money is deposited in the bank by his father, with an annual interest rate of 3%. When he withdraws it one year later, he will receive a total of 4120 yuan in principal and interest. What is Xiao Ming’s New Year’s Eve money?
小明的压岁钱由爸爸代替存入银行，年利率为3%，一年后支取时得到本和息共4120元，则小明的压岁钱是多少元
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">1 + (3/100)</gadget>
<output>103/100 = around 1.03</output>

<gadget id="calculator">4_120 / (103/100)</gadget>
<output>4_000</output>

<result>4_000</result>