Mr. Wang deposits 2,500 yuan in the bank for three years, with an annual interest rate of 4.27%. How much can Mr. Wang get back, in total, the principal and interest?
王老师把2500元存入银行，定期三年，年利率4.27%，到期时王老师可取回本金和利息共多少元？
<gadget id="calculator">4.27 / 100</gadget>
<output>0.0427</output>

<gadget id="calculator">2_500 * 0.0427 * 3</gadget>
<output>320.25</output>

<gadget id="calculator">2_500 + 320.25</gadget>
<output>2_820.25</output>

<result>2_820.25</result>