Alright, let's work through 63790926 times 68659974 step by step
63790926 × 68659974 = 68659974 × (63790926)
+ 68659974 × 6 producing 411959844
+ 68659974 × 20 resulting in 1373199480
+ 68659974 × 900 yielding 61793976600
+ 68659974 × 0000 that equals 0
+ 68659974 × 90000 that equals 6179397660000
+ 68659974 × 700000 giving us 48061981800000
+ 68659974 × 3000000 giving us 205979922000000
+ 68659974 × 60000000 yielding 4119598440000000

= 4379883320595924
