A restaurant pays tax at 5% of the turnover in the fourth quarter of 2015, and the after-tax balance is 38,000 yuan. How much is the turnover of this restaurant in the fourth quarter?
某饭店按2015年第四季度的营业额的5%纳税，税后余额为38000元，这家饭店第四季度的营业额是多少钱？
<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">38_000 / (19/20)</gadget>
<output>40_000</output>

<result>40_000</result>