Alright, let's work through 4881 times 4880 step by step
4881 × 4880 = 4880 × (4881)
+ 4880 × 1 that results in 4880
+ 4880 × 80 which equals 390400
+ 4880 × 800 yielding 3904000
+ 4880 × 4000 yielding 19520000

= 23819280
