No problem, we've got 1385 and 4144 to multiply
1385 × 4144 = 4144 × (1385)
+ 4144 × 5 that equals 20720
+ 4144 × 80 which equals 331520
+ 4144 × 300 what gives us 1243200
+ 4144 × 1000 that results in 4144000

= 5739440
