Compute the total cost of these items.
Car - $3000, Clothes -  $100, Book - $20
The total cost of the items is: 

Car: $3000
Clothes: $100
Book: $20
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Total: $3120
Complete the following task based on the instruction and optional input provided.### Instruction:
Compute the total cost of these items.

### Input:
Car - $3000, Clothes -  $100, Book - $20

### Output:
The total cost of the items is: 

Car: $3000
Clothes: $100
Book: $20
-------
Total: $3120