<human>:  Nikka has a 100 stamp collection. Thirty-five percent of her stamps are Chinese, 20% are US stamps, and the rest are Japanese stamps. How many Japanese stamps does Nikka have?
<bot>: How many Chinese stamps does Nikka have? ** Nikka has 100 x 35/100 = <<100*35/100=35>>35 Chinese stamps.
How many US stamps does Nikka have? ** She has 100 x 20/100 = <<100*20/100=20>>20 US stamps.
How many stamps are not Japanese? ** So, Nikka has 35 + 20 = <<35+20=55>>55 stamps that are not Japanese.
How many Japanese stamps does Nikka have? ** Thus, Nikka has 100 - 55 = <<100-55=45>>45 Japanese stamps.
#### 45