Alright, let's work through 87036886 times 49519556 step by step
87036886 × 49519556 = 49519556 × (87036886)
+ 49519556 × 6 which equals 297117336
+ 49519556 × 80 that equals 3961564480
+ 49519556 × 800 that results in 39615644800
+ 49519556 × 6000 that results in 297117336000
+ 49519556 × 30000 resulting in 1485586680000
+ 49519556 × 000000 which equals 0
+ 49519556 × 7000000 what gives us 346636892000000
+ 49519556 × 80000000 resulting in 3961564480000000

= 4310027950342616
