No problem, we've got 1147 and 6858 to multiply
1147 × 6858 = 6858 × (1147)
+ 6858 × 7 producing 48006
+ 6858 × 40 which equals 274320
+ 6858 × 100 what gives us 685800
+ 6858 × 1000 that results in 6858000

= 7866126
