A store has an average monthly turnover of 3 million yuan, pays business tax at a tax rate of 5%, and pays urban construction tax at 2% of the business tax.
某商店平均月营业额300万元，按5%的税率缴纳营业税，按营业税的2%缴纳城建税，这个商店一年共缴两税多少万元？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">300 * (1/20)</gadget>
<output>15</output>

<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">15 * (1/50)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">15 + (3/10)</gadget>
<output>153/10 = around 15.3</output>

<gadget id="calculator">(153/10) * 12</gadget>
<output>918/5 = around 183.6</output>

<result>918/5 = around 183.6</result>