Teacher Li’s monthly salary is 4,900 yuan. According to regulations, the part exceeding 3,500 yuan has to pay individual tax at a rate of 3%. How much is Teacher Li’s actual monthly income?
李老师每月的工资是4900元，按规定超过3500元的部分要按3%的税率缴纳个税，李老师实际每月收入多少元？
<gadget id="calculator">4_900 - 3_500</gadget>
<output>1_400</output>

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">1_400 * (3/100)</gadget>
<output>42</output>

<gadget id="calculator">4_900 - 42</gadget>
<output>4_858</output>

<result>4_858</result>