No problem, we've got 1166 and 1623 to multiply
1166 × 1623 = 1623 × (1166)
+ 1623 × 6 that is equal 9738
+ 1623 × 60 what gives us 97380
+ 1623 × 100 yielding 162300
+ 1623 × 1000 which equals 1623000

= 1892418
