No problem, we've got 89382399 and 96829228 to multiply
89382399 × 96829228 = 96829228 × (89382399)
+ 96829228 × 9 what gives us 871463052
+ 96829228 × 90 producing 8714630520
+ 96829228 × 300 what gives us 29048768400
+ 96829228 × 2000 that results in 193658456000
+ 96829228 × 80000 giving us 7746338240000
+ 96829228 × 300000 resulting in 29048768400000
+ 96829228 × 9000000 what gives us 871463052000000
+ 96829228 × 80000000 that results in 7746338240000000

= 8654828691957972
