No problem, we've got 4156 and 2147 to multiply
4156 × 2147 = 2147 × (4156)
+ 2147 × 6 which equals 12882
+ 2147 × 50 that results in 107350
+ 2147 × 100 which equals 214700
+ 2147 × 4000 giving us 8588000

= 8922932
