Alright, let's work through 4455 times 9556 step by step
4455 × 9556 = 9556 × (4455)
+ 9556 × 5 which equals 47780
+ 9556 × 50 which equals 477800
+ 9556 × 400 giving us 3822400
+ 9556 × 4000 which equals 38224000

= 42571980
