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

### Instruction:
There are 50 children at the party. Three-fifths of them are boys. How many of the children are girls?

### Response:
 50 x 3/5 = 30 watoto ni wavulana.
Hivyo, kuna watoto 50 - 30 = <<50-30=20>>20 ambao ni wasichana.