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

### Instruction:
There are 516 cars in a parking lot. One-third are blue, one-half are red, and the rest are black. How many black cars are on the lot?

### Response:
 สีน้ำเงิน = 516 * (1/3) = <<516*(1/3)=172>>172 คัน
สีแดง = 516 * (1/2) = <<516*(1/2)=258>>258 คัน
172 + 258 = 430 คัน มีรถสีดำ 516 - 430 = <<516-430=86>>86 คันบนที่จอดรถ