Alright, let's work through 7440 times 861 step by step
7440 × 861 = 861 × (7440)
+ 861 × 0 that results in 0
+ 861 × 40 giving us 34440
+ 861 × 400 that is equal 344400
+ 861 × 7000 yielding 6027000

= 6405840
