No problem, we've got 9159 and 8140 to multiply
9159 × 8140 = 8140 × (9159)
+ 8140 × 9 yielding 73260
+ 8140 × 50 that is equal 407000
+ 8140 × 100 yielding 814000
+ 8140 × 9000 giving us 73260000

= 74554260
