Xiaodong has 300 yuan of lucky money, which he wants to deposit in the bank and withdraw after one year. The annual interest rate at that time was 2.34%. How much money can Xiaodong withdraw after the expiration date?
小东有300元的压岁钱，他想存入银行，一年后取出，当时年利率为2.34%．到期后小东能取出多少钱？
<gadget id="calculator">2.34 / 100</gadget>
<output>0.0234</output>

<gadget id="calculator">300 * 0.0234 * 1</gadget>
<output>7.02</output>

<gadget id="calculator">300 + 7.02</gadget>
<output>307.02</output>

<result>307.02</result>