No problem, we've got 8157 and 1085 to multiply
8157 × 1085 = 1085 × (8157)
+ 1085 × 7 which equals 7595
+ 1085 × 50 which equals 54250
+ 1085 × 100 which equals 108500
+ 1085 × 8000 that equals 8680000

= 8850345
