No problem, we've got 7858 and 8139 to multiply
7858 × 8139 = 8139 × (7858)
+ 8139 × 8 producing 65112
+ 8139 × 50 that equals 406950
+ 8139 × 800 producing 6511200
+ 8139 × 7000 resulting in 56973000

= 63956262
