Alright, let's work through 81654896 times 73448858 step by step
81654896 × 73448858 = 73448858 × (81654896)
+ 73448858 × 6 which equals 440693148
+ 73448858 × 90 producing 6610397220
+ 73448858 × 800 resulting in 58759086400
+ 73448858 × 4000 what gives us 293795432000
+ 73448858 × 50000 that results in 3672442900000
+ 73448858 × 600000 which equals 44069314800000
+ 73448858 × 1000000 which equals 73448858000000
+ 73448858 × 80000000 producing 5875908640000000

= 5997458861308768
