No problem, we've got 1804 and 3922 to multiply
1804 × 3922 = 3922 × (1804)
+ 3922 × 4 which equals 15688
+ 3922 × 00 that equals 0
+ 3922 × 800 what gives us 3137600
+ 3922 × 1000 that results in 3922000

= 7075288
