No problem, we've got 7389 and 9189 to multiply
7389 × 9189 = 9189 × (7389)
+ 9189 × 9 resulting in 82701
+ 9189 × 80 giving us 735120
+ 9189 × 300 resulting in 2756700
+ 9189 × 7000 what gives us 64323000

= 67897521
