Alright, let's work through 4540 times 1755 step by step
4540 × 1755 = 1755 × (4540)
+ 1755 × 0 resulting in 0
+ 1755 × 40 which equals 70200
+ 1755 × 500 giving us 877500
+ 1755 × 4000 giving us 7020000

= 7967700
