The turnover of a restaurant in September is 78,000 yuan. If the business tax is paid at 5% of the turnover, how much tax should be paid in September.
某饭店九月份的营业额是78000元，如果按营业额的5%缴纳营业税，九月份应纳税多少元．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">78_000 * (1/20)</gadget>
<output>3_900</output>

<result>3_900</result>