each #1 on the troop screen stands for 1million so 1000*1,000,000=1,000,000,000 heres what you have- 1,000,000,000hfhvdjghe u*4=4,000,000,000/1,000,000=4000
so thats basicaly how it works.
so if you attack a planet with 15billion people on it it'll show 15000vs4000