660
The leu currency has slipped only gradually this year , and is currently quoted at an official rate of 3,162 to the dollar , well below the 3,550 retail price that exporters say is more realistic .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 None