Alright, let's work through 5403 times 4061 step by step
5403 × 4061 = 4061 × (5403)
+ 4061 × 3 giving us 12183
+ 4061 × 00 that results in 0
+ 4061 × 400 giving us 1624400
+ 4061 × 5000 giving us 20305000

= 21941583
