Xiao Ming's family has 50,000 yuan, if it is deposited in the bank, the annual interest rate is 5.50% per year; if it is bought in national bonds, the annual interest rate is 5.91% per year. How much more real interest can you get if you use all the money to buy national bonds than deposit it in the bank for a year?
小明家有5万元钱，若存入银行，每年的年利率是5.50%；若买国债券每年的年利率是5.91%．把这些钱全部用来买国债券比存入银行一年可以多得多少实际利息？
<gadget id="calculator">5.91 / 100</gadget>
<output>0.0591</output>

<gadget id="calculator">50_000 * 0.0591 * 1</gadget>
<output>2_955</output>

<gadget id="calculator">5.5 / 100</gadget>
<output>0.055</output>

<gadget id="calculator">50_000 * 0.055 * 1</gadget>
<output>2_750</output>

<gadget id="calculator">2_955 - 2_750</gadget>
<output>205</output>

<result>205</result>