After Mr. Li retired, his monthly salary was 1,780 yuan. According to the regulations, he had to pay a 5% personal income adjustment tax on the part exceeding 800 yuan. What is the actual salary that Mr. Li received?
李老师退休后月工资1780元，按规定超过800元的部分要交纳5%的个人收入调节税，李老师实际拿到手的工资是多少元．
<gadget id="calculator">1_780 - 800</gadget>
<output>980</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">980 * (19/20)</gadget>
<output>931</output>

<gadget id="calculator">931 + 800</gadget>
<output>1_731</output>

<result>1_731</result>