We're talking about standard behavior. People regularly drink taller coffees, there's cold brew, etc.
And, of course, you could always drink 20 cups too and have more caffeine than an intravenous shot even. But if we go with just drink the required amount of cups for your target caffeine level, there's no sense in discussing which has more caffeine.
And, of course, you could always drink 20 cups too and have more caffeine than an intravenous shot even. But if we go with just drink the required amount of cups for your target caffeine level, there's no sense in discussing which has more caffeine.