No problem, we've got 3823 and 3957 to multiply
3823 × 3957 = 3957 × (3823)
+ 3957 × 3 that results in 11871
+ 3957 × 20 that results in 79140
+ 3957 × 800 that results in 3165600
+ 3957 × 3000 producing 11871000

= 15127611
