Alright, let's work through 90354734 times 54145648 step by step
90354734 × 54145648 = 54145648 × (90354734)
+ 54145648 × 4 that is equal 216582592
+ 54145648 × 30 what gives us 1624369440
+ 54145648 × 700 what gives us 37901953600
+ 54145648 × 4000 producing 216582592000
+ 54145648 × 50000 resulting in 2707282400000
+ 54145648 × 300000 that equals 16243694400000
+ 54145648 × 0000000 what gives us 0
+ 54145648 × 90000000 that equals 4873108320000000

= 4892315622297632
