Teacher Li's total income in June is 2480 yuan. If personal income tax is paid at a rate of 20% after deducting 1,600 yuan, how much personal income tax should Mr. Li pay in June?
李老师六月份的总收入是2480元．如果扣除1600元后按20%的税率缴纳个人所得税，李老师六月份应缴纳个人所得税多少元？
<gadget id="calculator">2_480 - 1_600</gadget>
<output>880</output>

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

<gadget id="calculator">880 * (1/5)</gadget>
<output>176</output>

<result>176</result>