Alright, let's work through 7749 times 462 step by step
7749 × 462 = 462 × (7749)
+ 462 × 9 giving us 4158
+ 462 × 40 that equals 18480
+ 462 × 700 giving us 323400
+ 462 × 7000 yielding 3234000

= 3580038
