Xiaoling deposits 3,000 yuan in the bank. Calculated at an annual interest rate of 3.18%, how much can she get back the principal and interest after three years?
小玲把3000元钱存入银行，按年利率3.18%计算，三年后可取回本息多少元？
<gadget id="calculator">3.18 / 100</gadget>
<output>0.0318</output>

<gadget id="calculator">3_000 * 0.0318 * 3</gadget>
<output>286.2</output>

<gadget id="calculator">286.2 + 3_000</gadget>
<output>3_286.2</output>

<result>3_286.2</result>