Alright, let's work through 87683479 times 49452616 step by step
87683479 × 49452616 = 49452616 × (87683479)
+ 49452616 × 9 producing 445073544
+ 49452616 × 70 producing 3461683120
+ 49452616 × 400 what gives us 19781046400
+ 49452616 × 3000 resulting in 148357848000
+ 49452616 × 80000 which equals 3956209280000
+ 49452616 × 600000 that equals 29671569600000
+ 49452616 × 7000000 giving us 346168312000000
+ 49452616 × 80000000 what gives us 3956209280000000

= 4336177416531064
