No problem, we've got 7834 and 8580 to multiply
7834 × 8580 = 8580 × (7834)
+ 8580 × 4 that results in 34320
+ 8580 × 30 producing 257400
+ 8580 × 800 giving us 6864000
+ 8580 × 7000 producing 60060000

= 67215720
