Alright, let's work through 54400855 times 29293987 step by step
54400855 × 29293987 = 29293987 × (54400855)
+ 29293987 × 5 that results in 146469935
+ 29293987 × 50 resulting in 1464699350
+ 29293987 × 800 which equals 23435189600
+ 29293987 × 0000 resulting in 0
+ 29293987 × 00000 that results in 0
+ 29293987 × 400000 yielding 11717594800000
+ 29293987 × 4000000 that equals 117175948000000
+ 29293987 × 50000000 what gives us 1464699350000000

= 1593617939158885
