No problem, we've got 8678 and 9131 to multiply
8678 × 9131 = 9131 × (8678)
+ 9131 × 8 what gives us 73048
+ 9131 × 70 yielding 639170
+ 9131 × 600 what gives us 5478600
+ 9131 × 8000 that is equal 73048000

= 79238818
