No problem, we've got 9158 and 8438 to multiply
9158 × 8438 = 8438 × (9158)
+ 8438 × 8 that equals 67504
+ 8438 × 50 which equals 421900
+ 8438 × 100 yielding 843800
+ 8438 × 9000 which equals 75942000

= 77275204
