Alright, let's work through 6647 times 7492 step by step
6647 × 7492 = 7492 × (6647)
+ 7492 × 7 what gives us 52444
+ 7492 × 40 giving us 299680
+ 7492 × 600 that equals 4495200
+ 7492 × 6000 what gives us 44952000

= 49799324
