Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
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?

### Response:
 Woody alitumia miaka 1.5 kuandika kitabu chake, ambayo ni miaka 1.5 * 12 miezi/mwaka = <<1.5*12=18>>18 miezi.
Ivanka alitumia 18 + 3 = <<18+3=21>>21 miezi kuandika kitabu chake.
Jumla ya muda wa kuandika vitabu vyote ni 18 + 21 = <<18+21=39>>39 miezi.