Alright, let's work through 63600420 times 16358922 step by step
63600420 × 16358922 = 16358922 × (63600420)
+ 16358922 × 0 giving us 0
+ 16358922 × 20 yielding 327178440
+ 16358922 × 400 resulting in 6543568800
+ 16358922 × 0000 resulting in 0
+ 16358922 × 00000 that is equal 0
+ 16358922 × 600000 yielding 9815353200000
+ 16358922 × 3000000 that results in 49076766000000
+ 16358922 × 60000000 resulting in 981535320000000

= 1040434309947240
