Alright, let's work through 3389390 times 21622379 step by step
3389390 × 21622379 = 21622379 × (3389390)
+ 21622379 × 0 giving us 0
+ 21622379 × 90 that is equal 1946014110
+ 21622379 × 300 that is equal 6486713700
+ 21622379 × 9000 giving us 194601411000
+ 21622379 × 80000 giving us 1729790320000
+ 21622379 × 300000 resulting in 6486713700000
+ 21622379 × 3000000 what gives us 64867137000000

= 73286675158810
