No problem, we've got 1623 and 8283 to multiply
1623 × 8283 = 8283 × (1623)
+ 8283 × 3 that is equal 24849
+ 8283 × 20 what gives us 165660
+ 8283 × 600 that results in 4969800
+ 8283 × 1000 that results in 8283000

= 13443309
