If you deposit 50,000 yuan a year in the bank on a regular basis, what is the total amount of interest and principal after maturity? (Fixed for one year, the annual interest rate is 3.5%.)
在银行定期一年存5万元，到期后利息和本金共多少元．(定期一年，年利率为3.5%．)
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>

<gadget id="calculator">50_000 * 0.035 * 1</gadget>
<output>1_750</output>

<gadget id="calculator">50_000 + 1_750</gadget>
<output>51_750</output>

<result>51_750</result>