"If you already possessed all the mathematical requisites and were exceptionally talented... probably still several hours per day for several days?  The most talented wizard not ancient, out of the current world, is said to have learned her first cantrip within half an hour; it's said that she had a native intelligence of 21, where 10 is the mean for this world and 2 is the... your language has a single-syllable term for standarddeviation.  I don't know why that surprises me, at this point, but it does."

"I suspect that the average intelligence of your own world was not 10, on our scale."

"If you already possessed all the mathematical requisites and were exceptionally talented... probably still several hours per day for several days?  The most talented wizard not ancient, out of the current world, is said to have learned her first 0th-circle within half an hour; it's said that she had a native intelligence of 21, where 10 is the mean for this world and 2 is the... your language has a single-syllable term for standarddeviation.  I don't know why that surprises me, at this point, but it does."

"I suspect that the average intelligence of your own world was not 10, on our scale."

"If you already possessed all the mathematical requisites and were exceptionally talented... probably still several hours per day for several days?  Months would be more typical of the average student who succeeds at all.  The most talented wizard not ancient, out of the current world, is said to have learned her first 0th-circle within half an hour; it's said that she had a native intelligence of 21, where 10 is the mean for this world and 2 is the... your language has a single-syllable term for standarddeviation.  I don't know why that surprises me, at this point, but it does."

"I suspect that the average intelligence of your own world was not 10, on our scale."