Alright, let's work through 77705851 times 56099768 step by step
77705851 × 56099768 = 56099768 × (77705851)
+ 56099768 × 1 that equals 56099768
+ 56099768 × 50 giving us 2804988400
+ 56099768 × 800 that equals 44879814400
+ 56099768 × 5000 which equals 280498840000
+ 56099768 × 00000 yielding 0
+ 56099768 × 700000 giving us 39269837600000
+ 56099768 × 7000000 giving us 392698376000000
+ 56099768 × 70000000 resulting in 3926983760000000

= 4359280213342568
