Alright, let's work through 63450309 times 69149220 step by step
63450309 × 69149220 = 69149220 × (63450309)
+ 69149220 × 9 that equals 622342980
+ 69149220 × 00 that equals 0
+ 69149220 × 300 producing 20744766000
+ 69149220 × 0000 that results in 0
+ 69149220 × 50000 giving us 3457461000000
+ 69149220 × 400000 that results in 27659688000000
+ 69149220 × 3000000 that is equal 207447660000000
+ 69149220 × 60000000 which equals 4148953200000000

= 4387539376108980
