Alright, let's work through 6644 times 5542 step by step
6644 × 5542 = 5542 × (6644)
+ 5542 × 4 that is equal 22168
+ 5542 × 40 producing 221680
+ 5542 × 600 resulting in 3325200
+ 5542 × 6000 that equals 33252000

= 36821048
