Consider that in every other context listed, {glyph1} {glyph2} (where both glyphs are numerals) indicates "{value of glyph1} * {base} + {value of glyph2}".

For anyone with a passing familiarity with our number system, yes it's straightforward. But this wasn't produced for those people - it was produced for people with absolutely no prior experience with human culture whatsoever.