No problem, we've got 4279 and 912 to multiply
4279 × 912 = 912 × (4279)
+ 912 × 9 that is equal 8208
+ 912 × 70 that is equal 63840
+ 912 × 200 that is equal 182400
+ 912 × 4000 which equals 3648000

= 3902448
