The average monthly turnover of the department store last year was 5 million yuan, and the business tax was paid at a rate of 5%. How much was the business tax paid last year?
百货大楼去年平均每月的营业额是500万元，按5%的税率缴纳营业税，去年全年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">500 * (1/20) * 12</gadget>
<output>300</output>

<result>300</result>