No problem, we've got 8638 and 2184 to multiply
8638 × 2184 = 2184 × (8638)
+ 2184 × 8 which equals 17472
+ 2184 × 30 resulting in 65520
+ 2184 × 600 that equals 1310400
+ 2184 × 8000 yielding 17472000

= 18865392
