The turnover of a supermarket in September is 2.5 million yuan, and it is stipulated to pay business tax at 7% of the turnover. How much business tax should be paid?
一家超市九月份的营业额是250万元，规定按营业额的7%缴纳营业税，需要缴纳营业税多少钱？
<gadget id="calculator">7 / 100</gadget>
<output>7/100 = around 0.07</output>

<gadget id="calculator">250 * (7/100)</gadget>
<output>35/2 = around 17.5</output>

<result>35/2 = around 17.5</result>