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

### Instruction:
Joan has 180 socks. Two thirds of the socks are white, and the rest of the socks are blue. How many blue socks does Joan have?

### Response:
The number of white socks is 180 * 2/3 = <<180*2/3=120>>120.
The number of blue socks is 180 - 120 = <<180-120=60>>60.
#### 60