Task: Question Answering
Input (English): Passage: There were 74,285 households, out of which 21,922 (29.5%) had children under the age of 18 living in them, 36,729 (49.4%) were marriage living together, 7,685 (10.3%) had a female householder with no husband present, 3,804 (5.1%) had a male householder with no wife present. There were 4,386 (5.9%) POSSLQ, and 504 (0.7%) same-sex partnerships. 18,489 households (24.9%) were made up of individuals and 6,527 (8.8%) had someone living alone who was 65 years of age or older. The average household size was 2.55. There were 48,218 family (U.S. Census) (64.9% of all households); the average family size was 3.07. 
Question: How many percent do not have children under the age of 18 living with them? 
Answer type: Number 
Output (English): 70.5.