No problem, we've got 1889 and 4209 to multiply
1889 × 4209 = 4209 × (1889)
+ 4209 × 9 that results in 37881
+ 4209 × 80 what gives us 336720
+ 4209 × 800 that equals 3367200
+ 4209 × 1000 that results in 4209000

= 7950801
