Let's calculate 8641 x 8735
8641 × 8735 = 8735 × (8641)
+ 8735 × 1 that equals 8735
+ 8735 × 40 which equals 349400
+ 8735 × 600 resulting in 5241000
+ 8735 × 8000 that results in 69880000

= 75479135
