According to the statistics of our city's vehicle management office: the number of private cars in Huai'an this year has reached 120,000. Last year was this year's (5/6), which was more than the previous year (1/4). What was the number of private cars in our city the year before last? car?
据我市车管所统计：今年淮安市私家车保有量已达12万辆，去年是今年的(5/6)，比前年多(1/4)，前年我市私家车保有量是多少万辆？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/6) / (5/4)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12 * (2/3)</gadget>
<output>8</output>

<result>8</result>