Alright, let's work through 68800329 times 48620640 step by step
68800329 × 48620640 = 48620640 × (68800329)
+ 48620640 × 9 resulting in 437585760
+ 48620640 × 20 resulting in 972412800
+ 48620640 × 300 giving us 14586192000
+ 48620640 × 0000 that is equal 0
+ 48620640 × 00000 resulting in 0
+ 48620640 × 800000 yielding 38896512000000
+ 48620640 × 8000000 that is equal 388965120000000
+ 48620640 × 60000000 giving us 2917238400000000

= 3345116028190560
