No problem, we've got 8155 and 9799 to multiply
8155 × 9799 = 9799 × (8155)
+ 9799 × 5 resulting in 48995
+ 9799 × 50 what gives us 489950
+ 9799 × 100 which equals 979900
+ 9799 × 8000 resulting in 78392000

= 79910845
