This year, Uncle Wang deposited 50,000 yuan in the bank for 2 years, with an annual interest rate of 3.5%. After the interest tax is cancelled, how much will the principal and interest of Uncle Wang get when it expires?
今年王叔叔把50000元存入银行，定期2年，年利率3.5%．取消利息税后，王叔叔到期后可得本息多少元．
<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>

<gadget id="calculator">50_000 * 0.035 * 2</gadget>
<output>3_500</output>

<gadget id="calculator">50_000 + 3_500</gadget>
<output>53_500</output>

<result>53_500</result>