Xiaoming’s father’s monthly salary is 2,800 yuan, of which 800 yuan is tax-free according to regulations, and the rest is subject to personal income tax. The taxable salary must be divided into two parts and taxed at different tax rates, that is, the part that does not exceed 500 yuan is subject to a 5% tax rate, and the part that exceeds 500 yuan is taxed at a rate of 5%. The tax rate of 10% is applied to the portion of RMB 2,000 or less. Please calculate how much personal income tax Xiaoming's father has to pay every month?
小明爸爸的月工资为2800元，按规定其中800元是免税的，其余部分要缴纳个人所得税，应纳税工资要分成两部分按不同税率纳税，即不超过500元部分按5%税率，超过500元部分不超过2000元部分则按10%的税率．请你算一算小明的爸爸每月要缴纳个人所得税多少元？
<gadget id="calculator">2_800 - 800 - 500</gadget>
<output>1_500</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1_500 * (1/10)</gadget>
<output>150</output>

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

<gadget id="calculator">500 * (1/20)</gadget>
<output>25</output>

<gadget id="calculator">150 + 25</gadget>
<output>175</output>

<result>175</result>