Alright, let's work through 8623 times 1315 step by step
8623 × 1315 = 1315 × (8623)
+ 1315 × 3 that results in 3945
+ 1315 × 20 giving us 26300
+ 1315 × 600 that is equal 789000
+ 1315 × 8000 that is equal 10520000

= 11339245
