stationery wholesale supermarket had a turnover of 1.02 million yuan in September and paid a business tax of 51,000 yuan. What is the tax rate for this supermarket?
一个文化用品批发超市9月份的营业额是102万元，缴纳了5.1万元的营业税款．这家超市的税率是多少？
<gadget id="calculator">5.1 / 102</gadget>
<output>0.05</output>

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

<gadget id="calculator">0.05 * 1</gadget>
<output>0.05</output>

<result>0.05</result>