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

### Instruction:
Samara and three of her friends heard alligators spotted on the local river and decided to join a search organized by the wildlife service to capture the animals. After searching the whole day, Samara had seen 20 alligators while her friends had seen an average of 10 alligators each. Calculate the total number of alligators Samara and her friends saw.

### Response:
 Kila rafiki wa Samara aliona wastani wa mamba 10 kila mmoja, jumla ya mamba 3*10 = <<10*3=30>>30.
Jumla, Samara na marafiki zake waliona mamba 30+20 = <<30+20=50>>50.