1. The problem is to understand or interpret the string "3GR56" which appears to be a code or identifier rather than a mathematical expression. 2. Since "3GR56" does not represent a standard algebraic or numeric problem, there is no formula or calculation to apply. 3. If this is intended as a math problem, please provide a clear mathematical expression or question. 4. For now, no mathematical steps or solutions can be derived from "3GR56".