The turnover of Yidao Building International Hotel in July is 4.5 million yuan, and it is stipulated that urban construction tax should be paid at 7% of the turnover. How much urban construction tax should be paid?
一懂大厦国际宾馆七月份的营业额是450万元，规定应按营业额的7%缴纳城市建设税税，需要缴纳城市建设税多少钱？
<gadget id="calculator">7 / 100</gadget>
<output>7/100 = around 0.07</output>

<gadget id="calculator">450 * (7/100)</gadget>
<output>63/2 = around 31.5</output>

<result>63/2 = around 31.5</result>