We're going to solve 8931 multiplied by 9640
8931 × 9640 = 9640 × (8931)
+ 9640 × 1 giving us 9640
+ 9640 × 30 producing 289200
+ 9640 × 900 resulting in 8676000
+ 9640 × 8000 which equals 77120000

= 86094840
