No problem, we've got 1977 and 3501 to multiply
1977 × 3501 = 3501 × (1977)
+ 3501 × 7 giving us 24507
+ 3501 × 70 which equals 245070
+ 3501 × 900 that is equal 3150900
+ 3501 × 1000 giving us 3501000

= 6921477
