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

### Instruction:
James splits 4 packs of stickers that have 30 stickers each.  Each sticker cost $.10.  If his friend pays for half how much did James pay?

### Response:
He bought 4*30=<<4*30=120>>120 stickers
So that cost 120*.1=$<<120*.1=12>>12
So he paid 12*.5=$<<12*.5=6>>6
#### 6