In addition to paying a business tax of 5% of the turnover, a restaurant also needs to pay an urban maintenance and construction tax of 7% of the business tax. How much is the total of the two taxes?
某饭店除了要按营业额的5%缴纳营业税以外，还要按营业税的7%缴纳城市维护建设税，如果该家饭店平均每个月的营业额是21万元，那么每个月应缴纳这两种税共多少万元？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">21 * (1/20)</gadget>
<output>21/20 = around 1.05</output>

<gadget id="calculator">7 / 100</gadget>
<output>7/100 = around 0.07</output>

<gadget id="calculator">21 * (1/20) * (7/100)</gadget>
<output>147/2_000 = around 0.0735</output>

<gadget id="calculator">(21/20) + (147/2_000)</gadget>
<output>2_247/2_000 = around 1.1235</output>

<result>2_247/2_000 = around 1.1235</result>