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

### Instruction:
Thomas has 25 drawings to display. 14 of the drawings were made using colored pencils. 7 of the drawings were made using blending markers. The rest of the drawings were made with charcoal. How many are charcoal drawings?

### Response:
 Thomas alifanya michoro 14 + 7 = <<14+7=21>>21 kwa kutumia penseli za rangi na kalamu za kuchanganya rangi.
Thomas alifanya michoro 25 jumla – 21 michoro za penseli za rangi na kalamu za kuchanganya rangi = <<25-21=4>>4 michoro za makaa ya mawe.