Alright, let's work through 7798 times 5557 step by step
7798 × 5557 = 5557 × (7798)
+ 5557 × 8 producing 44456
+ 5557 × 90 that is equal 500130
+ 5557 × 700 that equals 3889900
+ 5557 × 7000 what gives us 38899000

= 43333486
