No problem, we've got 3561 and 7978 to multiply
3561 × 7978 = 7978 × (3561)
+ 7978 × 1 giving us 7978
+ 7978 × 60 resulting in 478680
+ 7978 × 500 which equals 3989000
+ 7978 × 3000 what gives us 23934000

= 28409658
