No problem, we've got 1823 and 4605 to multiply
1823 × 4605 = 4605 × (1823)
+ 4605 × 3 what gives us 13815
+ 4605 × 20 that is equal 92100
+ 4605 × 800 resulting in 3684000
+ 4605 × 1000 producing 4605000

= 8394915
