Alright, let's work through 67218719 times 21047519 step by step
67218719 × 21047519 = 21047519 × (67218719)
+ 21047519 × 9 that is equal 189427671
+ 21047519 × 10 giving us 210475190
+ 21047519 × 700 which equals 14733263300
+ 21047519 × 8000 which equals 168380152000
+ 21047519 × 10000 resulting in 210475190000
+ 21047519 × 200000 that results in 4209503800000
+ 21047519 × 7000000 resulting in 147332633000000
+ 21047519 × 60000000 that equals 1262851140000000

= 1414787265308161
