Dad's salary is 8,500 yuan, and the part exceeding 3,500 yuan needs to pay personal income tax at 5%. How much should the father pay?
爸爸的工资是8500元，超出3500元的部分需要按5%缴纳个人所得税计算，爸爸工应缴纳多少元？
<gadget id="calculator">8_500 - 3_500</gadget>
<output>5_000</output>

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

<gadget id="calculator">5_000 * (1/20)</gadget>
<output>250</output>

<result>250</result>