Alright, let's work through 21329056 times 77795926 step by step
21329056 × 77795926 = 77795926 × (21329056)
+ 77795926 × 6 yielding 466775556
+ 77795926 × 50 yielding 3889796300
+ 77795926 × 000 resulting in 0
+ 77795926 × 9000 producing 700163334000
+ 77795926 × 20000 that equals 1555918520000
+ 77795926 × 300000 what gives us 23338777800000
+ 77795926 × 1000000 that results in 77795926000000
+ 77795926 × 20000000 what gives us 1555918520000000

= 1659313662225856
