John writes 20 pages a day.  How long will it take him to write 3 books that are 400 pages each? Let's think step by step and output the final answer after "####".
user
He wants to write 3*400=<<3*400=1200>>1200 pages
So it will take him 1200/20=<<1200/20=60>>60 days
#### 60
John writes 20 pages a day.  How long will it take him to write 3 books that are 400 pages each?
train