Here is a thread with some fun fermi estimates made with that tool: e.g., number of calories NK gets from Russia: https://x.com/NunoSempere/status/1857135650404966456

900K 1.5M # tonnes of rice per year NK gets from Russia

* 1K # kg in a tone

* 1.2K 1.4K # calories per kg of rice

/ 1.9K 2.5K # daily caloric intake

/ 25M 28M # population of NK

/ 365 # years of food this buys

/ 1% # as a percentage