human
Ivanka wrote a book that took her 3 more months than it took Woody to write a book. Woody spent 1.5 years writing his book. How many months in total did Ivanka and Woody need to write their books?
assistant
How many months did Woody take to write his book? ** Woody = 1.5 years = 18 months
How many months did Ivanka take to write his book? ** Ivanka = 18 + 3 = <<18+3=21>>21 months
How many months did Woody and Ivanka take to write their books? ** 18 + 21 = <<18+21=39>>39 months
How many months in total did Ivanka and Woody need to write their books? ** It took Ivanka and Woody 39 months to write their books.
#### 39