Alright, let's work through 5451 times 2775 step by step
5451 × 2775 = 2775 × (5451)
+ 2775 × 1 that equals 2775
+ 2775 × 50 that results in 138750
+ 2775 × 400 what gives us 1110000
+ 2775 × 5000 that equals 13875000

= 15126525
