Calculate the total cost of a purchase given the following: Quantity = 10, Price = $4
The total cost of the purchase would be 10 × $4 = $40.
Below is an instruction that describes a task, write a response that appropriately completes the request.

### Instruction:
Calculate the total cost of a purchase given the following: Quantity = 10, Price = $4

### Response:
The total cost of the purchase would be 10 × $4 = $40.