No problem, we've got 2477 and 3480 to multiply
2477 × 3480 = 3480 × (2477)
+ 3480 × 7 resulting in 24360
+ 3480 × 70 what gives us 243600
+ 3480 × 400 resulting in 1392000
+ 3480 × 2000 yielding 6960000

= 8619960
