Alright, let's work through 1224 times 3972 step by step
1224 × 3972 = 3972 × (1224)
+ 3972 × 4 that is equal 15888
+ 3972 × 20 that is equal 79440
+ 3972 × 200 producing 794400
+ 3972 × 1000 producing 3972000

= 4861728
