Alright, let's work through 7890 times 5588 step by step
7890 × 5588 = 5588 × (7890)
+ 5588 × 0 yielding 0
+ 5588 × 90 giving us 502920
+ 5588 × 800 yielding 4470400
+ 5588 × 7000 giving us 39116000

= 44089320
