No problem, we've got 3899 and 977 to multiply
3899 × 977 = 977 × (3899)
+ 977 × 9 yielding 8793
+ 977 × 90 producing 87930
+ 977 × 800 that is equal 781600
+ 977 × 3000 what gives us 2931000

= 3809323
