No problem, we've got 1669 and 1436 to multiply
1669 × 1436 = 1436 × (1669)
+ 1436 × 9 resulting in 12924
+ 1436 × 60 what gives us 86160
+ 1436 × 600 yielding 861600
+ 1436 × 1000 that is equal 1436000

= 2396684
