Alright, let's work through 76961793 times 51609002 step by step
76961793 × 51609002 = 51609002 × (76961793)
+ 51609002 × 3 giving us 154827006
+ 51609002 × 90 that equals 4644810180
+ 51609002 × 700 yielding 36126301400
+ 51609002 × 1000 producing 51609002000
+ 51609002 × 60000 which equals 3096540120000
+ 51609002 × 900000 giving us 46448101800000
+ 51609002 × 6000000 resulting in 309654012000000
+ 51609002 × 70000000 that equals 3612630140000000

= 3971921328860586
