No problem, we've got 1403 and 8424 to multiply
1403 × 8424 = 8424 × (1403)
+ 8424 × 3 resulting in 25272
+ 8424 × 00 producing 0
+ 8424 × 400 what gives us 3369600
+ 8424 × 1000 resulting in 8424000

= 11818872
