No problem, we've got 8391 and 1706 to multiply
8391 × 1706 = 1706 × (8391)
+ 1706 × 1 resulting in 1706
+ 1706 × 90 giving us 153540
+ 1706 × 300 what gives us 511800
+ 1706 × 8000 which equals 13648000

= 14315046
