No problem, we've got 1183 and 3987 to multiply
1183 × 3987 = 3987 × (1183)
+ 3987 × 3 which equals 11961
+ 3987 × 80 which equals 318960
+ 3987 × 100 which equals 398700
+ 3987 × 1000 which equals 3987000

= 4716621
