Human: James delivers 600 newspapers in a day. He delivers 198 newspapers to District A, some to District B and 209 newspapers to District C. How many newspapers does he deliver to District B? Assistant: 
How many newspapers does James deliver to District A and C? ** He delivers to District A and C a total of 198+209 = <<198+209=407>>407 newspapers
How many newspapers does James deliver to District B? ** He delivers 600 in total so District B will get the remainder which is 600-407 = <<600-407=193>>193 newspapers
#### 193