The turnover of a store in February is 8,000 yuan, and the tax is 5% of the prescribed turnover. How much is the tax payable?
某商店2月份的营业额是8000元，按规定营业额的5%纳税，应纳税多少元．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

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

<result>400</result>