Alright, let's work through 1653 times 9628 step by step
1653 × 9628 = 9628 × (1653)
+ 9628 × 3 yielding 28884
+ 9628 × 50 yielding 481400
+ 9628 × 600 producing 5776800
+ 9628 × 1000 producing 9628000

= 15915084
