No problem, we've got 1403 and 3126 to multiply
1403 × 3126 = 3126 × (1403)
+ 3126 × 3 that equals 9378
+ 3126 × 00 that results in 0
+ 3126 × 400 that equals 1250400
+ 3126 × 1000 yielding 3126000

= 4385778
