After deducting 1,600 yuan from salary income this month, Mr. Qian will pay a personal income tax of 30 yuan at a tax rate of 5%. How much is Mr. Qian’s salary income this month?
钱老师这个月工资收入扣除1600元后，按5%的税率缴纳个人所得税30元，钱老师这个月工资收入是多少元？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">30 / (1/20)</gadget>
<output>600</output>

<gadget id="calculator">600 + 1_600</gadget>
<output>2_200</output>

<result>2_200</result>