In the first quarter of 2012, the total export volume of a certain province was US$8.07 billion, which was US$1.11 billion more than 1.5 times the total import value. How many billion US dollars was the total import volume of this province in this quarter.
2012年第一季度某省出口总额为80.7亿美元，比进口总额的1.5倍还多11.1亿美元，这季度该省进口总额为多少亿美元．
<gadget id="calculator">80.7 - 11.1</gadget>
<output>69.6</output>

<gadget id="calculator">69.6 / 1.5</gadget>
<output>46.4</output>

<result>46.4</result>