Interest earned on education savings is not taxable. Mr. Wu saved 50,000 yuan in three-year education savings, with an annual interest rate of 5.22%. After maturity, how much can you get the principal and interest from the bank?
教育储蓄所得的利息不须纳税．吴老师存了5万元3年期的教育储蓄，年利息是5.22%．到期后，可以从银行取得本金和利息一共多少元？
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">5.22 / 100</gadget>
<output>0.0522</output>

<gadget id="calculator">50_000 * 0.0522 * 3</gadget>
<output>7_830</output>

<gadget id="calculator">50_000 + 7_830</gadget>
<output>57_830</output>

<result>57_830</result>