Aunt Wang's monthly salary is 3,800 yuan, and the excess of 2,500 yuan is subject to personal income tax at 5%. How much is Aunt Wang's monthly after-tax salary?
王阿姨每月工资3800元，超出2500元的部分按5%交纳个人所得税．王阿姨每月税后工资是多少元？
<gadget id="calculator">3_800 - 2_500</gadget>
<output>1_300</output>

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

<gadget id="calculator">1_300 * (1/20)</gadget>
<output>65</output>

<result>65</result>