No problem, we've got 8435 and 1398 to multiply
8435 × 1398 = 1398 × (8435)
+ 1398 × 5 that results in 6990
+ 1398 × 30 yielding 41940
+ 1398 × 400 which equals 559200
+ 1398 × 8000 that equals 11184000

= 11792130
