Xiaohong's mother gets a labor fee of 3,000 yuan, of which 800 yuan is tax-free, and the rest is subject to personal income tax at a rate of 20%. How much personal income tax should Xiaohong's mother pay?
小红的妈妈得到一笔3000元的劳务费，其中800元是免税的，其余部分要按20%的税率缴纳个人所得税，小红的妈妈应缴纳个人所得税多少元．
<gadget id="calculator">3_000 - 800</gadget>
<output>2_200</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2_200 * (1/5)</gadget>
<output>440</output>

<result>440</result>