No problem, we've got 3977 and 6911 to multiply
3977 × 6911 = 6911 × (3977)
+ 6911 × 7 what gives us 48377
+ 6911 × 70 that equals 483770
+ 6911 × 900 which equals 6219900
+ 6911 × 3000 resulting in 20733000

= 27485047
