Interest earned on education savings is not taxable. Dad saved 12,000 yuan for Wang Liang's three-year education savings, with an annual interest rate of 5.22%. After maturity, how much principal and interest can I get from the bank?
教育储蓄所得的利息不需纳税．爸爸为王亮存了1.2万元三年期教育储蓄，年利率是5.22%．到期后，可以从银行取得本息共多少元？
<gadget id="calculator">1.2 * 10_000</gadget>
<output>12_000</output>

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

<gadget id="calculator">12_000 * 0.0522 * 3</gadget>
<output>1_879.2</output>

<gadget id="calculator">12_000 + 1_879.2</gadget>
<output>13_879.2</output>

<result>13_879.2</result>