Alright, let's work through 9963 times 1538 step by step
9963 × 1538 = 1538 × (9963)
+ 1538 × 3 what gives us 4614
+ 1538 × 60 resulting in 92280
+ 1538 × 900 what gives us 1384200
+ 1538 × 9000 yielding 13842000

= 15323094
