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

### Instruction:
 Jerry a trois fois plus d'autocollants que George. George a 6 autocollants de moins que son frère Fred. Si Fred a 18 autocollants, combien d'autocollants Jerry a-t-il ?


### Response:
 George a 18 - 6 = <<18-6=12>>12 autocollants.
Jerry a 12 * 3 = <<12*3=36>>36 autocollants.