Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the decimal value when the memory map and byte string are standard, and the max memory is 512?

### Inputs:
table_name: table, columns: ['Model', 'Floating point', 'Decimal', 'Byte string', 'Memory map', 'Max memory (kwords)']

### Response:
SELECT Decimal FROM table WHERE Byte string = standard AND Memory map = standard AND Max memory (kwords) = 512