Alright, let's work through 10277818 times 20877941 step by step
10277818 × 20877941 = 20877941 × (10277818)
+ 20877941 × 8 which equals 167023528
+ 20877941 × 10 producing 208779410
+ 20877941 × 800 giving us 16702352800
+ 20877941 × 7000 giving us 146145587000
+ 20877941 × 70000 that results in 1461455870000
+ 20877941 × 200000 which equals 4175588200000
+ 20877941 × 0000000 which equals 0
+ 20877941 × 10000000 that equals 208779410000000

= 214579677812738
