No problem, we've got 1670 and 7861 to multiply
1670 × 7861 = 7861 × (1670)
+ 7861 × 0 producing 0
+ 7861 × 70 that equals 550270
+ 7861 × 600 giving us 4716600
+ 7861 × 1000 that results in 7861000

= 13127870
