The turnover of a shopping mall in November is 2 million yuan. After paying the sales tax, the remaining 1.9 million yuan is what is the sales tax rate.
某商场十一月份的营业额是200万元，缴纳营业税后剩下190万元，营业税率是多少．
<gadget id="calculator">200 - 190</gadget>
<output>10</output>

<gadget id="calculator">10 / 200</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/20) * 1</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>