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

### Instruction:
On Monday, while at work on the farm, Jeremy picks 100 oranges. On Tuesday, together with his brother, they pick thrice as much. On Wednesday he feels tired and is only able to pick 70 oranges. What's the total number of oranges they have?

### Response:
 Jumatatu na Jumanne, Jeremy anachuma machungwa 100 + 3 * 100 = <<100+3*100=400>>400 machungwa.
Jumla ya machungwa yaliyochumwa ni 400 + 70 = <<400+70=470>>470 machungwa.