We're going to solve 84401421 multiplied by 72694784
84401421 × 72694784 = 72694784 × (84401421)
+ 72694784 × 1 what gives us 72694784
+ 72694784 × 20 giving us 1453895680
+ 72694784 × 400 what gives us 29077913600
+ 72694784 × 1000 which equals 72694784000
+ 72694784 × 00000 producing 0
+ 72694784 × 400000 what gives us 29077913600000
+ 72694784 × 4000000 that equals 290779136000000
+ 72694784 × 80000000 that equals 5815582720000000

= 6135543068888064
