The number of tourists from Thailand in a certain city this quarter was 12,000, a negative growth of 25% compared to the previous quarter. How many million tourists did this city have in the last quarter?
某市本季度泰国旅游人数为1.2万人次，比上季度负增长二成五，该市上季度泰国旅游人数为多少万人次？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1.2 / (3/4)</gadget>
<output>1.6</output>

<result>1.6</result>