No problem, we've got 8580 and 8679 to multiply
8580 × 8679 = 8679 × (8580)
+ 8679 × 0 producing 0
+ 8679 × 80 what gives us 694320
+ 8679 × 500 which equals 4339500
+ 8679 × 8000 that equals 69432000

= 74465820
