No problem, we've got 9787 and 8589 to multiply
9787 × 8589 = 8589 × (9787)
+ 8589 × 7 that is equal 60123
+ 8589 × 80 yielding 687120
+ 8589 × 700 which equals 6012300
+ 8589 × 9000 yielding 77301000

= 84060543
