The turnover of a shopping mall in January this year is 8 million. If the sales tax is 5% of the turnover, how much will the shopping mall pay in January?
某商场今年一月份的营业额是800万，如果按营业额的5%缴纳营业税，这个商场一月份要缴纳营业税多少元？
<gadget id="calculator">800 * 10_000</gadget>
<output>8_000_000</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">8_000_000 * (1/20)</gadget>
<output>400_000</output>

<result>400_000</result>