A certain small supermarket pays sales tax of 5% of the turnover, and the tax needs to be paid is 850 yuan per month. What is the monthly turnover of the small supermarket?
某一家小超市，按营业额的5%缴纳营业税，每月需缴纳税款850元，小超市每月的营业额是多少？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">850 / (1/20)</gadget>
<output>17_000</output>

<result>17_000</result>