Alright, let's work through 4503 times 1813 step by step
4503 × 1813 = 1813 × (4503)
+ 1813 × 3 that equals 5439
+ 1813 × 00 giving us 0
+ 1813 × 500 yielding 906500
+ 1813 × 4000 that results in 7252000

= 8163939
