"Does that scale to where we can contract a fire elemental to melt 1728 third-tons of steel per day?  If that's a spell a wizard can cast once per day, without them being so expensive as to be completely unhirable, we can do an awful lot with 1728 third-tons of steel per day squared."

"Does that scale to where we can contract a fire elemental to melt 1728 third-tons of steel per day?  If that's a spell somebody can cast once per day, without them being so expensive as to be completely unhirable, we can do an awful lot with 1728 third-tons of steel per day squared."