No problem, we've got 9158 and 6397 to multiply
9158 × 6397 = 6397 × (9158)
+ 6397 × 8 resulting in 51176
+ 6397 × 50 giving us 319850
+ 6397 × 100 what gives us 639700
+ 6397 × 9000 that is equal 57573000

= 58583726
