Napoleon famously quipped that an army marches on its stomach, and a fellowship of the ring is no different. Throughout the series of fantasy novels by J.R.R. Tolkien, we are treated to complaints about the lack of food to meet a hobbit's voracious appetite. Now, thanks to a study by Skye Rosetti and Krisho Manaharan that was published in the Journal of Interdisciplinary Science Topics, we have an idea of just how hungry the hobbits might have realistically been. In order for all 9 members to walk 92 days to Mordor, they'd need to consume exactly 1,780,214.59 calories.