Dad deposited 30,000 yuan in the bank on July 1 of the year before last, for two years, with an annual interest rate of 2.43%. How much can she withdraw from the principal and interest when it expires on July 1 this year?
爸爸前年7月1日到银行存款3万元，定期两年，年利率2.43%，到今年7月1日期满时，她可取出本金和利息共多少元？
<gadget id="calculator">3 * 10_000</gadget>
<output>30_000</output>

<gadget id="calculator">2.43 / 100</gadget>
<output>0.0243</output>

<gadget id="calculator">30_000 * 0.0243 * 2</gadget>
<output>1_458</output>

<gadget id="calculator">30_000 + 1_458</gadget>
<output>31_458</output>

<result>31_458</result>