Alright, let's work through 68820472 times 88641809 step by step
68820472 × 88641809 = 88641809 × (68820472)
+ 88641809 × 2 producing 177283618
+ 88641809 × 70 yielding 6204926630
+ 88641809 × 400 that is equal 35456723600
+ 88641809 × 0000 producing 0
+ 88641809 × 20000 giving us 1772836180000
+ 88641809 × 800000 which equals 70913447200000
+ 88641809 × 8000000 that results in 709134472000000
+ 88641809 × 60000000 what gives us 5318508540000000

= 6100371134313848
