"Basic" Instructions

The "Basic" Instructions is located on the balcony of High Sage Viryx in Skyreach.

• Each hidden number is the product of the numbers above and across it; however, in a twist hinted by the title, each number must be converted from a different before multiplying.
• The community discovered final 12-digit number without solving the rest of the puzzle to reach it. 9113824 is already presented in base 10, so the final solution is simply a multiple of it. (But to know which multiple requires being clever, or solving the puzzle.)

• Riddle of the Hivemind