No problem, we've got 8988 and 9640 to multiply
8988 × 9640 = 9640 × (8988)
+ 9640 × 8 producing 77120
+ 9640 × 80 that results in 771200
+ 9640 × 900 giving us 8676000
+ 9640 × 8000 that is equal 77120000

= 86644320
