The turnover of a restaurant in January is 28,000 yuan. If the business tax is paid at 5% of the turnover, how much is the after-tax income of the restaurant in a month?
一家饭店一月份的营业额为28000元，如果按营业额的5%缴纳营业税，这家饭店一个月的税后收入是多少钱？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">28_000 * (19/20)</gadget>
<output>26_600</output>

<result>26_600</result>