Alright, let's work through 1077 times 7099 step by step
1077 × 7099 = 7099 × (1077)
+ 7099 × 7 producing 49693
+ 7099 × 70 what gives us 496930
+ 7099 × 000 giving us 0
+ 7099 × 1000 what gives us 7099000

= 7645623
