Since January 1, 2012, the personal income tax standard has been changed from 1,600 yuan to 2,500 yuan, that is, the part of the salary exceeding 2,500 yuan will be taxed at 20%. Teacher Li's monthly salary is 2,800 yuan, so how much tax should Teacher Li pay every month?
自2012年1月1日起个人所得税标准由1600元改为2500元，即工资超过2500元的那部分按20%缴纳税金．李老师每月工资是2800元，那么李老师每月应缴纳税金多少元．
<gadget id="calculator">2_800 - 2_500</gadget>
<output>300</output>

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

<gadget id="calculator">300 * (1/5)</gadget>
<output>60</output>

<result>60</result>