Xiaohong's father's monthly income is 3,000 yuan. According to regulations, the part exceeding 1,600 yuan should pay personal income tax at a rate of 5%. How much personal income tax should Xiaohong's father pay?
小红的爸爸每个月收入是3000元，按规定，超过1600元的部分应按5%的税率缴纳个人所得税．小红的爸爸应缴纳个人所得税多少元．
<gadget id="calculator">3_000 - 1_600</gadget>
<output>1_400</output>

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

<gadget id="calculator">1_400 * (1/20)</gadget>
<output>70</output>

<result>70</result>