Alright, let's work through 5603 times 462 step by step
5603 × 462 = 462 × (5603)
+ 462 × 3 producing 1386
+ 462 × 00 producing 0
+ 462 × 600 what gives us 277200
+ 462 × 5000 giving us 2310000

= 2588586
