We're going to solve 2145 multiplied by 3863
2145 × 3863 = 3863 × (2145)
+ 3863 × 5 that equals 19315
+ 3863 × 40 yielding 154520
+ 3863 × 100 that is equal 386300
+ 3863 × 2000 which equals 7726000

= 8286135
