Alright, let's work through 44990063 times 81813956 step by step
44990063 × 81813956 = 81813956 × (44990063)
+ 81813956 × 3 which equals 245441868
+ 81813956 × 60 which equals 4908837360
+ 81813956 × 000 which equals 0
+ 81813956 × 0000 giving us 0
+ 81813956 × 90000 resulting in 7363256040000
+ 81813956 × 900000 that is equal 73632560400000
+ 81813956 × 4000000 which equals 327255824000000
+ 81813956 × 40000000 resulting in 3272558240000000

= 3680815034719228
