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

### Instruction:
Elijah drank 8.5 pints of coffee yesterday. Emilio drank 9.5 pints of water yesterday. How many cups of liquid did the two boys drink yesterday?

### Response:
 Jumla ya vikombe vilivyokunywa: 8.5 + 9.5 = <<8.5+9.5=18>>18 pinti
18 pinti * 2 = <<18*2=36>>36 vikombe
Vijana hao wawili walikunywa jumla ya vikombe 36 vya kioevu jana.