2. In the first quarter of 2012, the total export value of a certain province was 8.07 billion US dollars, which is 1.11 billion US dollars more than 1.5 times the import total. The total import value of the province in this quarter was $\qquad$ billion US dollars.
【Analysis】(80.7-11.1) $\div 1.5=46.4$ billion US dollars.