No problem, we've got 7983 and 4201 to multiply
7983 × 4201 = 4201 × (7983)
+ 4201 × 3 what gives us 12603
+ 4201 × 80 producing 336080
+ 4201 × 900 resulting in 3780900
+ 4201 × 7000 that is equal 29407000

= 33536583
