Xiaoping deposits and withdraws 300 yuan in the bank for 3 years and gets an interest of 33.21 yuan. With the same interest rate, if she deposits the principal and interest together for another 3 years, how much money can Xiaoping get in total when it expires?
小萍把300元在银行整存整取3年得到了33.21元的利息，同样的利率，现在把本金和利息一起再存3年，到期时小萍一共可以取到多少钱？
<gadget id="calculator">333.21 + 36.89</gadget>
<output>370.1</output>

<result>370.1</result>