Alright, let's work through 69443664 times 69746821 step by step
69443664 × 69746821 = 69746821 × (69443664)
+ 69746821 × 4 what gives us 278987284
+ 69746821 × 60 what gives us 4184809260
+ 69746821 × 600 producing 41848092600
+ 69746821 × 3000 that is equal 209240463000
+ 69746821 × 40000 that results in 2789872840000
+ 69746821 × 400000 giving us 27898728400000
+ 69746821 × 9000000 what gives us 627721389000000
+ 69746821 × 60000000 that equals 4184809260000000

= 4843474802592144
