Let's calculate 8531 x 5381
8531 × 5381 = 5381 × (8531)
+ 5381 × 1 that is equal 5381
+ 5381 × 30 resulting in 161430
+ 5381 × 500 that results in 2690500
+ 5381 × 8000 giving us 43048000

= 45905311
