It is the duty of every citizen to pay taxes according to law. A hotel, according to national tax regulations, in addition to paying business tax of 5% of turnover, also pays urban maintenance and construction tax of 7% of business tax. The average monthly turnover of this restaurant is 120,000 yuan. However, when declaring taxes, the restaurant did not truthfully declare. As a result, it was punished in the tax department’s year-end inspection and paid 25,680 yuan. How much money did you declare every month?
依法纳税是每个公民的义务．一家饭店，按国家税收规定，除了要按营业额的5%缴纳营业税外，还要按营业税的7%缴纳城市维护建设税．这家饭店平均每月的营业额是12万元，但是在申报纳税的时候，这家饭店由于没有如实申报，结果在税务部门年终核查中受到处罚，补交了25680元，这家饭店平均每月只申报了多少钱？
<gadget id="calculator">12 * 10_000</gadget>
<output>120_000</output>

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

<gadget id="calculator">120_000 * (1/20)</gadget>
<output>6_000</output>

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

<gadget id="calculator">120_000 * (1/20) * (7/100)</gadget>
<output>420</output>

<gadget id="calculator">6_000 + 420</gadget>
<output>6_420</output>

<gadget id="calculator">25_680 / 12</gadget>
<output>2_140</output>

<gadget id="calculator">6_420 - 2_140</gadget>
<output>4_280</output>

<result>4_280</result>