Alright, let's work through 67400673 times 69460321 step by step
67400673 × 69460321 = 69460321 × (67400673)
+ 69460321 × 3 resulting in 208380963
+ 69460321 × 70 that results in 4862222470
+ 69460321 × 600 that equals 41676192600
+ 69460321 × 0000 what gives us 0
+ 69460321 × 00000 that is equal 0
+ 69460321 × 400000 yielding 27784128400000
+ 69460321 × 7000000 producing 486222247000000
+ 69460321 × 60000000 resulting in 4167619260000000

= 4681672382196033
