Uncle Liu's monthly income is 1,800 yuan. If according to regulations, the portion exceeding 1,500 yuan is subject to personal income tax at 5%, how much does Uncle Liu really earn?
刘叔叔月收入1800元，如果按规定，超过1500元的部分按5%缴纳个人所得税，刘叔叔实得多少元．
<gadget id="calculator">1_800 - 1_500</gadget>
<output>300</output>

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

<gadget id="calculator">300 * (1/20)</gadget>
<output>15</output>

<gadget id="calculator">1_800 - 15</gadget>
<output>1_785</output>

<result>1_785</result>