Alright, let's work through 84102960 times 62649206 step by step
84102960 × 62649206 = 62649206 × (84102960)
+ 62649206 × 0 giving us 0
+ 62649206 × 60 that results in 3758952360
+ 62649206 × 900 what gives us 56384285400
+ 62649206 × 2000 what gives us 125298412000
+ 62649206 × 00000 that is equal 0
+ 62649206 × 100000 resulting in 6264920600000
+ 62649206 × 4000000 giving us 250596824000000
+ 62649206 × 80000000 that is equal 5011936480000000

= 5268983666249760
