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

### Instruction:
 Bi. Adamson ana madarasa manne yenye wanafunzi 20 kila moja. Anatengeneza mwongozo wa masomo kwa darasa lake na anatumia karatasi 5 kwa kila mwanafunzi. Atatumia karatasi ngapi kwa wanafunzi wake wote?


### Response:
 Bi. Adamson ana jumla ya wanafunzi 4 x 20 = <<4*20=80>>80.
Hivyo, atatumia karatasi 80 x 5 = <<80*5=400>>400.