Alright, let's work through 7806 times 5634 step by step
7806 × 5634 = 5634 × (7806)
+ 5634 × 6 producing 33804
+ 5634 × 00 producing 0
+ 5634 × 800 giving us 4507200
+ 5634 × 7000 yielding 39438000

= 43979004
