Dad's monthly salary is 2,580 yuan, and the balance after deducting 1,600 yuan is required to pay personal income tax at a rate of 5%. How much does Dad pay in taxes every month?
爸爸月工资是2580元，按规定扣除1600元后的余额部分，按5%的比例缴纳个人所得税．爸爸每月交税多少元．
<gadget id="calculator">2_580 - 1_600</gadget>
<output>980</output>

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

<gadget id="calculator">980 * (1/20)</gadget>
<output>49</output>

<result>49</result>