A supermarket pays a sales tax of 9,000 yuan at 5% in December. What is the turnover of the supermarket in December?
某超市12月份按5%缴纳营业税9000元，该超市12月份的营业额是多少元．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">9_000 / (1/20)</gadget>
<output>180_000</output>

<result>180_000</result>