Alright, let's work through 77799444 times 87098370 step by step
77799444 × 87098370 = 87098370 × (77799444)
+ 87098370 × 4 giving us 348393480
+ 87098370 × 40 resulting in 3483934800
+ 87098370 × 400 resulting in 34839348000
+ 87098370 × 9000 yielding 783885330000
+ 87098370 × 90000 giving us 7838853300000
+ 87098370 × 700000 giving us 60968859000000
+ 87098370 × 7000000 yielding 609688590000000
+ 87098370 × 70000000 that is equal 6096885900000000

= 6776204759306280
