The turnover of a shopping mall in January is 8.5 million yuan, and the turnover in February is 20% more than that in January. If the sales tax is 5% of the turnover, how much is the sales tax of this shopping mall in February?
某商场一月份营业额为850万元，二月份的营业额比一月多20%，如果按营业额的5%缴纳营业税，这个商场二月份要缴纳营业税多少万元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">850 * (6/5) * (1/20)</gadget>
<output>51</output>

<result>51</result>