No problem, we've got 4975 and 6380 to multiply
4975 × 6380 = 6380 × (4975)
+ 6380 × 5 that is equal 31900
+ 6380 × 70 yielding 446600
+ 6380 × 900 producing 5742000
+ 6380 × 4000 which equals 25520000

= 31740500
