No problem, we've got 8143 and 544 to multiply
8143 × 544 = 544 × (8143)
+ 544 × 3 what gives us 1632
+ 544 × 40 that results in 21760
+ 544 × 100 which equals 54400
+ 544 × 8000 that is equal 4352000

= 4429792
