After a supermarket pays business tax at 5% of its turnover in the first quarter of this year, the after-tax balance is 380,000 yuan. How much business tax should this supermarket pay in the first quarter?
某超市在今年第一季度按营业额的5%缴纳营业税后，税后余额为38万元，这个超市第一季度应缴纳营业税多少万元？
<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 / (19/20)</gadget>
<output>40</output>

<gadget id="calculator">40 * (1/20)</gadget>
<output>2</output>

<result>2</result>