Wang Wei's salary last month was 2,200 yuan. After deducting 800 yuan, he paid personal income tax at a rate of 5%. How much tax should he pay?
王伟上月的工资为2200元，扣除800元后按5%的税率缴个人所得税，他应缴税多少元．
<gadget id="calculator">2_200 - 800</gadget>
<output>1_400</output>

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

<gadget id="calculator">1_400 * (1/20)</gadget>
<output>70</output>

<result>70</result>