Alright, let's work through 6680794 times 616437 step by step
6680794 × 616437 = 616437 × (6680794)
+ 616437 × 4 which equals 2465748
+ 616437 × 90 that equals 55479330
+ 616437 × 700 which equals 431505900
+ 616437 × 0000 that results in 0
+ 616437 × 80000 what gives us 49314960000
+ 616437 × 600000 that results in 369862200000
+ 616437 × 6000000 that equals 3698622000000

= 4118288610978
