Alright, let's work through 84801484 times 84656299 step by step
84801484 × 84656299 = 84656299 × (84801484)
+ 84656299 × 4 that results in 338625196
+ 84656299 × 80 that results in 6772503920
+ 84656299 × 400 which equals 33862519600
+ 84656299 × 1000 what gives us 84656299000
+ 84656299 × 00000 which equals 0
+ 84656299 × 800000 which equals 67725039200000
+ 84656299 × 4000000 that results in 338625196000000
+ 84656299 × 80000000 what gives us 6772503920000000

= 7178979785147716
