Alright, let's work through 4551 times 5181 step by step
4551 × 5181 = 5181 × (4551)
+ 5181 × 1 giving us 5181
+ 5181 × 50 that results in 259050
+ 5181 × 500 that results in 2590500
+ 5181 × 4000 what gives us 20724000

= 23578731
