12×256

12×256 is a simple arithmetic product, equal to 3072. Since 256 = 2^8 and 12 = 3 × 2^2, their product is 3 × 2^10 = 3 × 1024 = 3072.

In binary, multiplying by 256 shifts left by 8 bits: 12 (1100) becomes 1100 0000 0000, which is 3072. In hexadecimal, 12 is 0x0C and 256 is 0x100; their product is 0x0C00 (3072).

As a data size, 3072 bytes equals 3 KiB, since 1 KiB = 1024 bytes. Using decimal kilobytes, it is approximately 3.072 KB. The result illustrates how powers of two interact with small integers; 12×256 = 3×1024 shows that the product is a multiple of 1024.